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

Page 1 of 2 12 LastLast

  1. Posts : 7
    Windows 7 Ultimate x64
       #1

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


    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?
      My Computer


  2. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #2

    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.
      My Computer


  3. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #3

    I actually didn't back it up (oops!) because I changed default program to shell32.dll and cannot undo it. There must be some sort of registry that restricts it. Sorry!
      My Computer


  4. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #4

    Oh dear have you done any imaging or backing up of your data because it is looking like a repair install. Take a look at this and let us know what you want to do. This is the only way that I can think of that will get the registry back in its' original form.
    Now if you decide to do the repair - don't forget to back up that registry as per my previous posted link. Repair Install
      My Computer


  5. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #5

    I deleted the key (HKEY_CLASSES_ROOT\.dds) but shell32 still dominates. Is there another registry that signifies a file association?
      My Computer


  6. Posts : 7
    Windows 7 Ultimate x64
    Thread Starter
       #6

    BTW, I have 2 users, the 2nd one i dont use isn't affected by this.
      My Computer


  7. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #7

    Hum interesting as far as I am aware the registry is the same for one user as another??
    I might ask for some help on this on mate as this new situation has got me wondering what the heck is going on to be honest.
      My Computer


  8. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #8

    You need to look in HKCU (HKEY_CURRENT_USER)
    HKEY_CURRENT_USER\Software\Classes\.dds
      My Computer


  9. Posts : 21,004
    Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
       #9

    SA can I ask just did you install the Ultimate on this machine or upgrade to it because it is very unusual for a laptop to come with Ultimate installed on it unless of course you requested it from the store.

    Now if you upgraded then I personally am not a fan of upgrades and myself would just buy an OEM copy and install it myself because that also gets rid of all the bloatware that comes with the different brands.
      My Computer


  10. Posts : 21,482
    Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
       #10

    You can do an anytime Upgrade from anything from Home Basic through to professional and end up with Ultimate without any hassle at all :) (and no worries about compatibility, either - all the bits necessary are already on the machine, apart from the required Key )
      My Computer


 
Page 1 of 2 12 LastLast

  Related Discussions
Our Sites
Site Links
About Us
Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd
All times are GMT -5. The time now is 19:09.
Find Us