COMPLETELY unassociating extensions from default Open With programs

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  1. Posts : 49
    Windows 7
       #1

    COMPLETELY unassociating extensions from default Open With programs


    Hello,

    On the internet, I have found tutorials on how to unassociate a file extension from a default Open With program. You have to run RegEdit and remove the desired registry keys.
    I'm following these steps correctly, but it just does not seem to work.

    I have a file extension called ".pkg" (package). It orginally had no default program bound to it. I accidentily gave it WinRAR as default (and the only) Open With program. Now I want it to have no associated program again. (blank icon, without ANY default program to open it with)
    When I try to delete the WinRAR registry key in HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pkg\OpenWithList, WinRAR still is the default Open With program and when I click on the file, it opens with WinRAR..
    They also tell me to search for
    HKEY_CLASSES_ROOT\.pkg\OpenWithProgids, but there is no OpenWithProgids in the .pkg folder inside HKEY_CLASSES_ROOT.

    Could anyone help me with this? .pkg is not the only extension which I want to have blank again. (With blank I actually mean having NO default programs to open it with. Not showing up in Open With, nor the icon itself, nor when simply clicking on it.
    When you click on such a "blank" file, it normally says "Cannot open the following file" and then it asks you to either search the right program on the internet or find a default program to open it with. This was the original state of the .pkg file and I'd like to have it back like this, in stead of beign bound to WinRAR.

    Thank you for your time.
      My Computer


  2. Posts : 71,980
    64-bit Windows 11 Pro for Workstations
       #2

    Hello Tho, and welcome to Seven Forums.

    You might see if using the program in OPTION TWO of the tutorial below may make it easier to unassociated your .pkg files.

    File Extension Type - Unassociate

    Hope this helps, :)
    Shawn
      My Computer


  3. Posts : 49
    Windows 7
    Thread Starter
       #3

    Brink said:
    Hello Tho, and welcome to Seven Forums.

    You might see if using the program in OPTION TWO of the tutorial below may make it easier to unassociated your .pkg files.

    File Extension Type - Unassociate

    Hope this helps, :)
    Shawn
    Well yes, I forgot to mention that: I tried that Unassoc.exe, giving the same unresolved results.
    Edit: After opening a .pkg file with WinRAR, I can use the "Remove file association" button. After that, nothing changed, except that the "Remove file assocation" button greyed out, until I open the .pkg file again by double clicking (which simply opens it with WinRAR again, like nothing has ever changed)
      My Computer


  4. Posts : 71,980
    64-bit Windows 11 Pro for Workstations
       #4

    In that case, you can download and merge the .reg file below. Approve all prompts, and restart your computer afterwards. This will unassociated .pkg files for you. :)
    COMPLETELY unassociating extensions from default Open With programs Attached Files
      My Computer


  5. Posts : 49
    Windows 7
    Thread Starter
       #5

    Brink said:
    In that case, you can download and merge the .reg file below. Approve all prompts, and restart your computer afterwards. This will unassociated .pkg files for you. :)
    Could you explain me the steps on how to "merge" this .reg file into my device's register?
    I figured it out. Just right click and then Merge.
    And it worked. The .pkg is now completely unbound, as I wanted! Thank you!
    But I have a few more of these unwanted associated extensions. Do I also have to download a .reg from you for these then?
    Last edited by Ret00lhy; 15 Jul 2013 at 04:51. Reason: Change of status
      My Computer


  6. Posts : 71,980
    64-bit Windows 11 Pro for Workstations
       #6

    You're most welcome Tho.

    Please go ahead and list the other file extensions, and I'll great a single .reg file that will unassociated them all. :)
      My Computer


  7. Posts : 49
    Windows 7
    Thread Starter
       #7

    For now I found your link here, which already contains a few of my extensions.
    Default File Type Associations - Restore

    .bak, .log and .ini are already in the list, so I'll download them from there.

    Could you create a .reg file containing the .fsb extension?
    .fsb is an extension from FMOD Designer, used for games to hold sound files. (FMOD Sample Bank)

    (By the way, if possible: Can you explain me how you create the reg files, specificly for this "resetting" purpose? So if I ever get this problem again in the future, I can do it, so you don't have to do it for me)
      My Computer


  8. Posts : 71,980
    64-bit Windows 11 Pro for Workstations
       #8

    The only thing I could do for .fsb would be one to unassociate it since it's not a default extension included in Windows.

    It's a bit to much to explain in a post for how, but if you edit the .pkg .reg file I posted above, those are the 3 registry keys that need to be deleted (if there) to unassociate a file extension. You would just substitute the file extension at the end that you want to unassociated instead.

    I would strongly recommend that you create a restore point before playing in the registry though. One mistake could leave you having to reinstall Windows without a restore point to use system restore to go back to and undo the mistake.
    Last edited by Brink; 15 Jul 2013 at 14:09.
      My Computer


  9. Posts : 49
    Windows 7
    Thread Starter
       #9

    Brink said:
    The only thing I could do for .fsb would be one to unassociate it since it's not a default extension included in Windows.

    It's a bit to much to explain in a post for how, but if you edit the .pkg .reg file I posted above, those are the 3 registry keys that need to be deleted (if there) to unassociate a file extension. You would just substitute the file extension at the end that you want to unassociated instead.

    I would strongly recommend that you create a restore point before playing in the registry though. One mistake could leave you having to reinstall Windows without a restore point to use system restore to go back to and undo the mistake.
    When I right click your .reg file, I see the 3 lines:

    [-HKEY_CLASSES_ROOT\.pkg]

    [-HKEY_CLASSES_ROOT\SystemFileAssociations\.pkg]

    [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pkg]

    So, you actually do the same thing if you delete these 3 .pkg 'folders' ?

    On sites, they always told me to delete 1 small thing inside the FileExts\.pkg, not deleting the .pkg itself.
    Same in the ClASSES_ROOT, but it was strange, because the .pkg 'folder' was empty, so I had nothing to delete.
      My Computer


  10. Posts : 71,980
    64-bit Windows 11 Pro for Workstations
       #10

    To unassociate the .pkg file extension, you would actually be deleting the .pkg key on the left side at those 3 registry locations below.

    If you wanted to unassociate a different file extension, then you would substitute .pkg in the locations below with the other file extension instead to delete. :)


    Code:
    [-HKEY_CLASSES_ROOT\.pkg]
    
    [-HKEY_CLASSES_ROOT\SystemFileAssociations\.pkg]
    
    [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.pkg]
      My Computer


 
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