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  1. #1
    New Lounger
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    Unhappy Changing the default application for shell Open

    Some time ago I rashly edited the registry to cause double-clicking a file with an unknown extension in Window Explorer to default to opening with a text editor. This turned out to be a mistake, but for the life of me I can neither remember how I did it nor find where I got the information for this tweak.

    Any suggestions?

  2. #2
    Super Moderator Deadeye81's Avatar
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    See if this eHow tutorial will help your situation.

    Do you know the name of the program that generated the file? If so, you could google the program name and should be able to identify what extension its files use.
    Last edited by Deadeye81; 2011-05-30 at 13:22.

  3. #3
    New Lounger
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    This is the tweak to open unknown files with Notepad:

    Windows Registry Editor Version 5.00

    [HKEY_CLASSES_ROOT\*\shell]

    [HKEY_CLASSES_ROOT\*\shell\open]
    @="Open With Notepad"

    [HKEY_CLASSES_ROOT\*\shell\open\command]
    @="C:\\Windows\\notepad.exe %1"

    [HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Explorer\FileExts\.]
    "Application"="Notepad"

    To remove the tweak, delete these keys:

    Windows Registry Editor Version 5.00

    [-HKEY_CLASSES_ROOT\*\shell\open]
    [-HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Explorer\FileExts\.]

    -Troy Newton

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