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How do I change a file's file type (not only file association)?

Q: How do I change a file's file type (not only file association)?

I need to change a zip file to an epub file. I have heard this can be done, but when I add the .epub after the file name, I notice the file is still actually zip type file when I right click properties. This is causing a problem when I try to open it in in different ebook reader programs.

I know there is a way to change a file's actual file type, but I don't know how. Perhaps there is a software or I need to go into the registry?

I can do this either with windows 7 or XP home, because I have two computers. So help on either operating system would be great?

As a related question, I am wondering does changing a file's icon type actually change the file type or just the icon?

Preferred Solution: How do I change a file's file type (not only file association)?

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A: How do I change a file's file type (not only file association)?

Hi awd and welcome to Seven Forums.

I take it that your zip file is an e-book. Changing the extension does nothing to change the format of the data. If you have need to convert an e-book from one format to another try Calibre. In addition to managing e-books it allows you to convert from one form to another. calibre - E-book management

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On my new Windows 8 machine, every time I put an audio CD into the disk drive, the Power DVD program starts. THis is MOST ANNOYING! I want audio CDs to launch Windows Media Player so that I can rip them to the hard drive. If I go to Control Panel -> Default Programs -> Associate a File Type with a Program, there is NO LISTING in there for .cda files, which is what compact disc audio files are. Does anyone know how to resolve this problem?

Thanks for any and all advice!

A:Change File Type Association?

Control Panel - Auto Play - CD's - Audio CD

AutoPlay - Turn On or Off in Windows 8

I think that should take care of it. I think the Power DVD is the installed default.

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I have a smartphone running Windows Mobile 5.0. I tried to install Acrobat Reader and it didn't work. Now the .pdf association with File Viewer doesn't work. Does anyone know how to create file associations? Either a registry hack or free software would be good.

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I have MS Windows 7 Ultimate x64 fully updated.  I did a clean install of Media Player Classic - Home Cinema 1.4.2499 x64.
There are two ways to get to the "Open with" menu.  I can right click a file and choose "Open with...".  Alternatively, I can open the Control Panel, click "Default Programs", click "Associate a file type or protocol with a program", select the
file type or protocol, and click "Choose program...".
Media Player Classic - Home Cinema does not appear in the "Open with" menu.  Therefore, I click "Browse..." and browse to the correct directory and select "mpc-hc64.exe".  However, Media Player Classic - Home Cinema still does not appear in the
"Open with" menu.
How do I change the file type association to Media Player Classic - Home Cinema?

A:Cannot Change File Type Association to Media Player Classic - Home Cinema

In the Open with menu, select Choose default program... , and click
Browse... to select the mpc-hc64.exe file again. After that, Media Player Classic should show up in the
Open with menu, although you may have to repeat this a few times before it actually shows up.Tim De Baets

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Hi everybody
I have Virtual CD installed on my computer and it was handling .iso files and a very useful feature it had, it caused some options to appear in the context menu of the file (i.e. right clicking on the file) to be able to directly insert the .iso file into a virtual drive.
But then I installed WinRAR and regretfully (!!!) I chose WinRAR to associate with .iso files ... and I lost those useful options in the context menu.
Can anybody help me to have those options again?
Thank you ...

A:ISO File Type Association?

Right click on the iso file and if the program is in the default area pick it if not just click on browse and go where the program is istalled and make sure the box is checked.

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Have IE8. I had both both Adobe Reader and Foxit Reader installed, but I removed Foxit. I lost the association for pdf file types. I was able to re-establish the association to adobe in Windows, but in IE there is no association. When I download a pdf it is not recognized. Anyone know how to add that?


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What a difference a touchpad makes. While exploring a “.bin” file before deleting it forever, I managed to associate all “.bin” files with Notepad!

Having right-clicked on the file icon, selecting “Open With” and “Choose Program…”, (with the box for “Always use the selected program to open this kind of file” checked and while Notepad was highlighted in the list of programs), I clicked on “Ok” rather than “Cancel”.

Now, when right-clicking on the file icon, and selecting “Open With”, Notepad appears as an option along with “Choose Program…”, but there’s no obvious way to undo the association.

Information found on the Microsoft Knowledge Base (which applies to ME, not to XP which is on this computer), seem to indicate a registry edit is necessary. Never done that. Any suggestions? I’d really appreciate some help!

A:Unwanted File Type Association

Open up Windows Explorer.
Click on Tools
Click on Folder Options
Click on File Types.

Delete the association you dont want.

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I work at a company and we just went through an internal network change which required a transfer of my user settings to a new account. Everything seemed fine after the switch but now I can't set my .txt default program. It used to be notepad++. It's now set to "Not selected" and if I change it, it goes right back to "Not selected". This is very annoying because I do a lot of text editing.

I've tried setting the default program from Default Programs -> Set Associations and from the right-click context menu. I'm running the latest Windows 8.1.

Any ideas how to fix this?

A:.txt file type association won't stick

Does it stick if you set it to notepad? Or it just won't keep any setting at all?

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I have accidentally associated a number of file types with Notepad. I'm trying to delete their association so they go back to having no program that they open with, but Windows does not seem to have this ability integrated into Default Programs > Set Associations. I tried deleting the registry values for the file type in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts, but that didn't work. Any other ideas?

A:Delete file type association?

Hello Mitch,

You should be able to unassociated the file extensions using an option in the tutorial below.

File Extension Type - Unassociate

Hope this helps.

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Ok basically, due to someone screwing around instead of waiting for me, I
have a file type association issue.

The type of file is .UMOD
For those that don't know its a self-extracting installer for the Unreal
series of games (Unreal, Unreal Tournament, etc).

Now, when they were screwing around I hadn't yet reinstalled my Unreal
games, so obviously they wouldnt self-extract. So, you all know what windows
does with unrecognized file types... They associated it with random things
and now after I have installed the game, they obviously don't work properly
because Windows is trying to open them with other programs. I even tried
setting them to the games .exe file and it didn't change anything (but I
didn't expect that to help).

Basically my question is how can I dis-associate the file type with all
things, rather, resetting its association to nothing at all? Would I have to
manually edit parts of the registry? If so, where and how?

All help is appreciated.

A:Solved: File Type Association help

Folder Options. Delete the file type.

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I don't know if this is the correct location for this topic. Please bear with me, I'm new.

So I have this program on my computer. It isn't installed per se, but it still runs files. With other programs like it, I can set it to use files, but this one I can't. Now let me tell you the things I've tried.

I've tried the regular - Right click - Open With - Choose Default Program - NO$GBA. And that didn't work. When I look at the properties of the file, it says that it opens with an unknown application. Tried to change it from the properties window which failed.

I tried Control Panel - Default Programs - Associate blah blah. Didn't work; same problem.

Here's the interesting part that really confused me. I tried opening the Command Prompt as an admin. Then using the ASSOC command. When I tried to associate the file with the program, it said it accomplished that. But the same problem still occurs. And when I use the Command Prompt to look at what program the file opens with, it says NO$GBA. So I'm all confused. Any suggestions?

Legal issues: I have the game irl that I'm trying to run on the emulator.

Others: I'm running Windows Vista 64bit.

Thanks for the help.

A:[Problem] File type association

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Everytime I install Win8 , the default file association all goes to Metro UI associated. I won't use Metro UI at all , instead use the Desktop. So everytime I've go to the [Control Panel] ... [Programs] ... [Make a file type always open in a specific program]
It's very annoying. Is there a simple way to let me change all the files association type such as by .reg. I've tried regshot program to get certain file association change registry then import it to the registry , but with fail. As it said program is in use , forbitten ...
I can't thinks of a simple way to solve this program even in the safe mode.

A:Win8 File Association Type

You would need to import the reg file into the hive from outside of windows.

What did regshot give you as a.reg file?

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javascript .js files are associtated with WordPad.exe. ...should be Notepad.exe

.js file extension is missing in the Default Programs-Associate file type....

How can I add and extension(.js) to the list of extensions and protocols?

A:File type Association (.exe, .jpg, ...) Add extension?

It's in mine as

.js | JScript Script File | Microsoft Windows Based Script Host

Here. Try to import it or merge. Then change to your liking.

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Hey all

So I just got a new Win8.1 laptop, and after installing WinDBG and updating my how to thread, I ran into a small problem.

When I try to associate dump files with WinDBG I get the following error;
Attachment 325909
Note: the .dmp file is just a random one I grabbed from the top thread to test if everything worked.

I tried to associate the file type via the "path to winDBG" -AI way, and when that failed I went via the control panel. I tried virtually every option, but I just can't get it to work

It looks like I somehow messed up and it sees "%1" as the program that needs to open the .dmp files instead of WinDBG, or something like that. And, when I look at the file type association, I see that whilst I have a 64bit laptop, WinDBG installed itself in the 32Bit Prog Files folder.. Could that be the issue?

Oh well, I can't seem to find the cause or solve it, so if someone has a clue, by all means share it

A:WinDBG 8.1 file type association problem.

Hi Nommy. I think you will get a good answer in eightforums. Here most of us use seven.

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Hi all,

My first thread here

What im trying to do seems simple in theory...that is if you know what to do.

Im using a webex called Zefyr. im using it to mail people. In this webex i have contacts listed with thier email addresses. NOW! when i click on the email address it opens a, "NEW EMAIL" window in the webex via internet explorer. what i want it to do is, when i click on the address i want it to open a, "NEW EMAIL" window in windows mail instead....

any help will be greatly appreciated

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(You can try this yourself if Firefox is your default browser. Go ahead--it's mildly entertaining)

So Windows XP allows you to have a "Links" toolbar on your tasbar (which is created from the links folder in your IE favorites).

The IE Links folder is really a set of Internet Shortcut files in C:\Documents and Settings\<user>\Favorites\Links

I have Firefox set as my default browser and if I open this folder and double-click on one of these shortcuts, it does open in Firefox. However, if I enable the Links toolbar on the Windows taskbar, opening a link still opens it in IE for some bizarre reason.

You can't right-click an Internet Shortcut file and choose "Open With" because it's just not there. So I went into Folder Options and the "Internet Shortcut" file type has the "change" button (to change the default application with which to open it) grayed out. I tried going into the advanced settings and changing the open application from rundll32.exe to firefox.exe. Links still open in IE from the toolbar.

To test if this is something strange with the Links folder, I even made a new folder on my desktop, put a couple internet shortcuts in, and added the folder as a new toolbar to the taskbar. Amazingly, they open in IE even though they open in Firefox when opening the files from Windows Explorer.

Now here's the really strange part. Up until this point, the toolbar I've added doesn't actually display any bookmarks dire... Read more

A:Really strange IE/Firefox file type association problem

I have gone through the steps described and have found that, in all cases, shortcuts always open Firefox. The only peculiarity is that icons in the Taskbar's 'Links toolbar' have IE icons rather than Firefox ones. This doesn't stop them opening in Firefox though.

So it seems that there must be a default in need of setting somewhere. Have a read of this page to see if it helps:


Note that at the top of the page a third party utility is mentioned. The link ultimately leads here:


Firefox isn't specifically mentioned in the options (see the screenshot) but it looks possible to browse to it. If Mozilla has linked to it, it seems it would be OK for the job.

EDIT Another thing you could try (if not done already) is to set IE as the default and then set it back to Firefox again. Perhaps that might reset/set associations.

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v 1607 just installed, Microsoft keeps wanting to change from libre office to wordpad, win patrol cancels it but it keeps trying to change file association how do I stop taht

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i tried one of those compression software tryouts for my mp3s and
other files but when the time ranout and i decided to remove the cmpressor it asked me what to associate the opening of text file with so i chose adobe acrobat...it changed all of my formerly compressed files to that association so now of course my mp3s wont play....how do i change the the file association back to say windows media player or something?
thank in advance pete

A:how to change file association

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Hope you guys can help. I"m running win 7 i made the wrong file association to a file it opens with gibberish. Now i want to either change it or delete it. How do i precede?
Thanks for your help

A:file association change

You saved a file as the wrong type? Or you need to change what program opens a particular type of file?

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Something keeps trying to change my text file associations back to Notepad. How can I find (and stop) this attempt?

A:File association change

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This may have been a temporary glitch, but yesterday I opened File Explorer to get a PDF file I had stored away. I found the file, but the Adobe logo that normally appears next to it (I used the Details view) was missing, replaced by a blank white rectangle, and when I double-clicked the filename, nothing happened. I had been viewing PDF files earlier in the day without problems, but suddenly, it wouldn't work.

I rebooted the machine and the file type was set right, but I have a feeling I haven't seen the last of this problem. I didn't look specifically for the problem with other apps, but I have a mix of PDF and other types in the root Documents folder, and it seems to me that all the other files in that view were missing app logos, as well.

Has anyone else seen this?

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I would like to change all file types that are handled by notepad to notepad++. How do I accomplish this without clicking manually?

Maybe by changing via the registry?


A:Mass Change File Association

Originally Posted by gnulab


I would like to change all file types that are handled by notepad to notepad++. How do I accomplish this without clicking manually?

Maybe by changing via the registry?

You can do it from within Notepad++

1. Open Notepad++ with administrator privileges.

2. Click on Settings in the main menu bar, and click on Preferences.

3. Select File Association, and add your needed file extensions one by one to the Registered extensions list.

4. If the file extension you need is not included in the list, select customize. Then type the needed extension, and add those to the Registered extensions list.

5. Click on Close.

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I've been trying to fix this problem myself for a few days. At some point my .rar file association got changed to use explorer.exe, now no matter what method I try I can't change it to use 7zip instead. This is a problem because any time I click a .rar file explorer keeps trying to open it over and over again and stacks up hundreds and hundreds of copies of the explorer process and I can't get it to stop unless I delete or move the file, which is impossible when it's trying to open. I've tried using the 'open with' option, going through the control panel, and even changing the association in the registry but it absolutely refuses to change even after a restart. Any help would be much appreciated.

A:Windows 7 won't let me change .rar file association

You didn't mention if you tried from within 7-zip, are .rar associations checked in 7-zip options?

Have you tried a fresh install of 7-zip?

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WinPatrol just detected a change in the association for REG files. It changed from regedit.exe %1 to regedit.exe %1 %*. I not sure what this means but I did have a run in with Antivirus 2009 this morning, I don't think I was infected and am running Malwarebytes' Anti-Malware right now. What does this mean, a virus/malware has taken over the regedit.exe?

A:Reg File Extension Association Change

Hi, I recommend posting here.Regards,Adam

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Something keeps trying to change file associations for TXT I have set to my favourite Text Editor. I keep being told by Winpatrol that it has been changed back to Notepad - do I want to allow that ? How can I stop the reversal process ?

A:Unwanted change in file association for TXT

How did you change the file association?


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I have a file extension "psp" for a program called "Paint Shop Pro". I go to Control Panel>Default Programs>Set Associations. I select "psp" file extension. The current default is "unknown". I click "change program. I do not see "Paint Shop Pro" in the recommended programs so I click "other programs" and it is not there. I then click "browse" and choose "Paint Shop Pro" from my program files. When the "open with" window reappears the "OK" button is greyed out and "Paint Shop Pro" was not added to the list of other programs. I recently used a register cleaner and I believe that is what caused the problem. What can I do now to make my computer recognize the file associtation that I want to choose?

A:I cannot change my default file association.

Did you double click on the Paint Shop Pro .exe in the program files. Then it should pick it up.

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On regular intervals, I'm getting a notice that the association for .zip is getting changed from winrar to "rundll32.exe zipfldr.dll,RouteTheCall %L".

I want this to stop.

Thanks for the help parsing the HJT log.


Logfile of HijackThis v1.99.1
Scan saved at 10:21:04 AM, on 11/18/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\Program Files\Java\j2re1.4.2_05\bin\jusched.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
C:\Program Files\Java\j2re1.4.2_05\bin\jucheck.exe
C:\Program Files\Logitech\iTouch\iTouch.exe
C:\Program Files\Palm\HOTSYNC.EXE
C:\Program Files\GuildFTPd\GuildFTPd.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\Downloads and installers\hijackthis\HijackThis.exe

O1 - Hosts: com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3}... Read more

A:Unauthorized file association change

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Hello everyone-

When I installed a graphics viewer (Irfanview) I elected the majority of image extensions to be opened by Irfanview by default. I then installed an image editor (Gimp 2.6.8) and changed the image file associations to Gimp with the exception of .gif files. So by default Irfanview has been opening .gif's for the past 6 months.
I wanted to change the file association of .gif's to Gimp so I did what I've been doing since Windows 98. Right click > Open With > Change Default Program... and then browse to the executable I want as the default. In this case I browse to Gimp.exe and click it, however, Gimp (the icon) does not appear in the "Open With" window for me to select. Why it is not being recognized when I select it is beyond me. The only way I can open a .gif file in Gimp is to open the program first and then the File > Open method.
The only thing that is somewhat different with the Gimp install is that I always create an installation folder in C:\ versus the usual C:\Program Files. So when I browse for the .exe the path is C:\Gimp2.6.8\bin\Gimp2.6.exe. But when I click on it, nothing happens.
I did have .tif files associated with Irfanview as well, but I was able to change the default program to Gimp in the manner described above.
Using Vista Home Premium SP2 and have installed all Windows updates.
Any help in changing the default file association to Gimp would be greatly appreciated.

Thank you in advance.

A:Cannot change default file association

Hi markaz,

Where exactly is the gimp.exe file you mentioned located - or did you really mean that other name? You may just be using the wrong locaion or executable file (even if you did it for .tif files - maybe you did it different).

You say when you click on Gimp2.6.exe nothing happens, yet you said you could upen Gimp. I don't understand. What is this Gimp thing in C:\ and why isn't it in Program Files and are you sure there isn't another set of Gimp folders that is installed in Program Files? How are you opening Gimp? If a shortcut, right click on it and click on properties and tell me the precise target path and filename. That path and filename are what you should be using to establish the association.

Go to Start / Default Programs / Associate a file or protocol with a program. Then scroll to something using gimp and see what it says about the location of the default if it is Gimp. Now scroll to .gif and see what's the default. Click on change and see if Gimp appears. If not, click on browse and go to the gimp.exe file that is opening the Gimp program (from the shortcut or from wherever else you can find it) and choose that file and make it the default for .gif files. That should take care of the problem if you're using the correct exectutable file.

I hope this helps.

Good luck!

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W7 64 logged as admin

I have a file extension (*.dsn) which I want to open with a program in the 'Program files (x86)' folder.
At present it is shown as [Description:'Data source name' Current Default:'Unknown Application']
I use the 'browse' button in the 'Open with' window and select the one I want but it does not then appear in the 'Open with' window.
Only 'Adobe Reader' in the 'Recommended Programs' section is visible. (That cannot read/use my file type)

I have no problem associating it correctly in XP or previously in 'Me or '98.

I can open files of the type when running the program OK.
Browsers can open it and display the contents as text but that is no real use.

The desired program is a 32bit application.

Apologies if this has been answered before.


A:Solved: W7(64) file association won't change

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I run WinPatrol and lately it has been reporting that it has detected a change to one of my file associations .URL.

It says the program currently associated with this file type is:
Run a DLL as an App
Microsoft Corporation
C:\Windows\system32\rundll32.exe C:\Windows\system32\ieframe.dll, OpenURL %1

A change was made to use the following program for this file type:
Run a DLL as an APP
Microsoft Corporation
rundll32.exe ieframe.dll, OpenURL %1

It then asks me if this change is OK. I have been clicking No everytime it comes up (which has been about every twenty minutes when I am logged in).

Is this OK and if not what should I do.

Thank you,


A:Problem with requested file association change

Try this: Download the following:Malwarebytes Anti-MalwarePlease download Malwarebytes Anti-Malware and save it to your desktop.Download Link 1Download Link 2MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.Make sure you are connected to the Internet.Double-click on mbam-setup.exe to install the application.
For instructions with screenshots, please refer to the How to use Malwarebytes' Anti-Malware Guide.When the installation begins, follow the prompts and do not make any changes to default settings.When installation has finished, make sure you leave both of these checked:Update Malwarebytes' Anti-MalwareLaunch Malwarebytes' Anti-MalwareThen click Finish.MBAM will automatically start and you will be asked to update the program before performing a scan.If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.On the Scanner tab:Make sure the "Perform Quick Scan" option is selected.Then click on the Scan button.If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.... Read more

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Hi All,
I have an file association issue that I haven't been able to solve.
I've been using a CAD tool GC-Prevue (from GraphiCode - Software Innovations for Electronics Manufacturing - Index) with a *.gwk extension. Recently it started associating to Acrobat X Pro. When I right-click "Open with" Acrobat is the only program listed. I tried Browse to the GC-Prevue *.exe file, choosing it and trying to open but nothing changes. It doesn't open and the "Open With" window remains with only Acrobat as the choice.
I uninstalled and reinstalled Acrobat. No Luck.
I uninstalled and reinstalled GC-Prevue. No Luck.
FWIW: I can always open the program and browse to the file I need to open and there's no problem.
Suggestions anyone?
Thanks in advance for your replies/advice.

A:File association won't change to the proper program

Have you tried to change the file association in Control Panel > Default Programs (small icon view)?

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Precision M4400 - Windows 7 Professional 64-bit

This webcam requires Windows Media Player (and Silverlight) in order to display on my screen, however it is happily displaying via VLC.

The RSPB: Loch Garten: Live video webcam

Please advise how I can make the cam display with WMP instead of VLC. WMP has all its defaults, so why is the cam using VLC? I don't know the file-type that would have to be changed.

(The reason I want to do this is that the browser, Opera 12.16, auto-refreshes periodically to counter stream-freezes, and currently it takes at least 7 seconds for the picture to recover. I'm hoping it might be faster with WMP, at least I need to find out one way or the other.)

A:Change file association for viewing on-screen webcam

Quote: Originally Posted by clemenzina

Precision M4400 - Windows 7 Professional 64-bit

This webcam requires Windows Media Player (and Silverlight) in order to display on my screen, however it is happily displaying via VLC.

The RSPB: Loch Garten: Live video webcam

Please advise how I can make the cam display with WMP instead of VLC. WMP has all its defaults, so why is the cam using VLC? I don't know the file-type that would have to be changed.

(The reason I want to do this is that the browser, Opera 12.16, auto-refreshes periodically to counter stream-freezes, and currently it takes at least 7 seconds for the picture to recover. I'm hoping it might be faster with WMP, at least I need to find out one way or the other.)

Let me start by saying that I'm not picking at your choice of words - but I am going to change them for my sake:

You are not talking about a webcam (a device connected to your computer or network), you are talking about a video stream (that happens to be embedded in a webpage). You are not needing to change a Windows Operating System file association, you are wanting to change which browser plug-in handles this video stream.

I installed Opera 12.16 and VLC 2.08 into a Virtual Machine that is running W7 pro 64bit. I was able to see the ~7 second blackout that happens when the stream reconnects after about 7 minutes. (BTW, I did not install the Windows Media Player (WMP) plug-in. Silverlight was not installed - ... Read more

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I'll attempt to be as clear as possible when explaining my goal - a goal I was able to achieve with Windows XP, but have yet to learn the Windows 7 way.

I have a file named whatever.rar. If I double click on the file, WinRAR opens the file and shows me what it contains. This is not the action I want my computer to do when I double click.

What I WANT the double click action to do is to invoke WinRAR's "Extract Here" command - a command that I currently have to do by right clicking on the file and choosing from that menu.

As I said earlier, this change was a piece of cake in XP since the properties of the right click menu can be modified through the Control Panel (once you know where to look). All I had to do was deselect "Open" as the default action and specify "Extract Here" as the default action. Once this modification is made, the "Extract Here" option appears in bold when the file is right clicked, and "Open" is no longer bold.

This is what I want Windows 7 to do. Can anyone point me in the right direction?

A:Change double click ACTION - not merely the file association

Have a look at the discussion here:

Windows 7 Help: Change the Default Double-Click Action? - Icrontic

Make sure you have a backup system image, or at least a registry backup before playing in the registry.

Backup Complete Computer - Create an Image Backup

Registry - Backup and Restore

Good luck.

A Guy

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Hello, hope this is the right place. But for some reason all my winrar archive started showing as a white piece of paper with the top right hand corner folded in, and in the middle the winrar archive icon shows. Ive never had a problem like this before and was wondering how do i fix this problem back up so it shows the winrar icon not with a white piece of paper behind it. Ive got AVG Antivurs Free version edition 9 and I've got malwarebytes anti malware, so i have no idea what could be causing the problem. I have attached a screenshot of what i mean. Note:I have already tried file association and associating it to a different file and then re associating it. Also have tried uninstalling winrar and then installing it again. Thank you Much appreciated Dazz

A:File icon incorrect file association correct

Click Start, Run, Regedit.

Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Classes and scroll down until you find RAR or WinRar (Not sure as I don't have it); whichever it is, it should show the (default) entry as RaR File (you could also use Find > RAR File).

It should also have a subkey of DefaultIcon. Click on this and it'll show the path where it gets the icon from. The last number in the path, after5 the comma, is the icon selected from that file. The normal path should be pointing to the Winrar.exe file, and the number something other than 0.

Export the key first, just in case you need to restore it, and change the number to 0. Should change the icon shown for Winrar archive to the main one.

If not, report back on anything that deviates from the above, including a screenshot of the registry keys.


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I accidentally set the default file format for a dds (DirectDraw Surface) to Windows shell common. It tries to execute it but obviously fails giving this error:

(name of file).dds is not a valid Win32 application.

I've tried everything. Modified registry keys, use slightly different solutions, but I just can't get it working. Does anyone have a fix for this?

A:Set file association for a file (dds) to Shell Common that execs it!

Hello and welcome SA mate did you by any chance back up the registry before now? I always do after an install so at times like this one can just restore the darn thing to the Windows default.
Registry - Backup and Restore

If you let me know what registry entries you are looking at I can possibly see what mine are and let you know what the default entry is so you can start rom scratch again.

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for example I download a ntw3 mod file and the file is a windows media player file how do stop this from happening

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I am running VISTA and know that I can click on "Control Panel", then click on "Default Programs", and change the file association on various files.
My daughter is running XP and getting those dreaded messages to associate a file type with a program. In this case she cant open a JPG E-Mail attachment.
How do make the necessary changes to make this happen running XP?
I told her that you folks would help and this would be her Christmas present.
Please help!!

A:Cant open PDF file,file association problem

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Hello, I use Notepad++ to edit Python files which have the file extension .py such as "sample.py"

I would like to set Notepad++ as the default program to open .py files.

When I open a .py file I get the popup asking me which file I want to use to open. But I do not get the choice to set the default program to open this extension.

When I go to Settings|Choose Default Apps By File Type the .py extension is not listed.

Looking through the registry I see that there is no .py handler.

Q: What is the method to manually add a file extension and associate it with a program?


A:File extension not in file association list

hey I figured it out!

1) Settings - Indexing Options
2) Advanced button
3) File Types tab
4) Add New Extension to List box, type in extension (without a period) such as "py"
5) Click OK and Close
6) Settings - Chose a default app for each type of file
7) Scroll down to file extesion
8) click Choose a Default
9) select a program
10) The first time you open a file with this new association, you will get a popup asking you which program to use to open this file type. Your default program will already be selected and a checkbox with Always use the program to open this type of file will already be selected as well, just click the program type. After this you are golden.
11) Damn I spent 3 hours on this! Ugh!

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I downloaded some "mp3" files but they come up as everything from .doc to .bin. The site said to download something called Change Type to access the files, (chgtype is the actual file name) but apparently this is no longer available. Is there any other way anyone knows of to access the mp3 portion of the files I downloaded? Thank you!

A:Change file type

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last week i asked you techies how to change back my file associations because i used a file compressor that i did not like (and i removed) but changed all my files to this type(.cmp) well now that is fixed because you guys told me how to "open with.. shift + right ms btn" but some of the files are still considered .cmp files they were .mp3 how do i change the file type back to .mp3 so i can use my win player

thanks, you people are the greatest!

A:how to change file type

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Hi Guys,I have a bitmap image, and want to change to JPEG.
Did know,but memory escapes me.
Remember PAINT being mentioned.
Thanks for any tips.

Windows XP Home SP3.

A:Change File type Help.

Yes, MS Paint can do it. Open the file in MS Paint. Then click File > Save As. Under the file type, set it to JPEG and save the file with a name.

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[Windows 8.1 x64]


How do I change just the *name* of a file type - i.e. without changing the default program?

For example in Windows Explorer my Excel files are called "Microsoft Excel Worksheet". And my Word files are called "Microsoft Word Document".
However is I make the "Type" column in Windows Explorer narrow, then for both types of file all I can see is "Microsoft..."
[This is *profoundly* unhelpful - what arrogant vanity by Microsoft! Do they ever actually run usability trials on this stuff?]

So although I still want .XLSX files to open with Excel I want to change the name / description that appears in the Type column to just "Excel Worksheet" (or possibly "Excel Worksheet (Microsoft)" or similar)


A:How do I change just the *name* of a file type?


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I have saved 200 family photos on a CD-RW, but I am unable to e-mail them using either Outlook Express or IrfanView. Apparently the reason is because they are all designated as Type: Microsoft Picture It! Document. I find that I am only able to send them using Picture It!, but I prefer using Outlook Express when sending pictures.

I presume there's an easy way to change these files to another type which would allow me to send them using Outlook Express and IrfanView. I would greatly appreciate help with this matter.

Thank you,

A:How do I change a file type?


Maybe just zip them up and then attach it to your email. But if they are the Microsoft Picture It! .MIX format the person you email it to will need Microsoft Picture It! to open them.

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I use windows XP for my system. But some times change type of my files.
I scaned system. No virus.

Do you can help me ? if run a program who recovery registery problems
in windows can solve this problem ?

for example my Excel file (omid.exl) change to omid.tmp .

A:Change File Type

.tmp is a temporary file extension. How does it change? Are you saying you save your file in My Documents or wherever, and a few hours later, you come back and its magically changed to .tmp?

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hello everyone

I would like to change an MP4 file to a file that i can play on my DVD player
can this be done and if so how can i do this.

regards calmat

A:change file type

You have to create a DVD-Video. You can do that with Windows Media Center, Nero (Nero Vision), Roxio, etc.

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hey guyss..i have problem with my computer....all my icon change to Windows media player and all target type change to EXE File...what should i do.....plzzz...
#sorry for my bad english..
Windows 7 Ultimate 32 bit sp1

2 gb ram

A:All icon change to WMP and all target type change to EXE File

Hello Kechik Crew, and welcome to Seven Forums.

If you like, you could do a system restore using a restore point dated before this happened to undo and fix this quickly.

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