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Can't open a folder in windows 7 64bit, by double clicking, it shows me that the default option for opening folder is "cmd" (it's highlighted when i'm right clicking a folder, and the "open" option comes next). I've tried running some registry fixing tools, but it didn't fix it. Can someone suggest me what should I do.

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migrated from stackoverflow.com Jul 5 '11 at 19:46

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3 Answers 3

Set HKEY_CLASSES_ROOT\Folder\shell\(default) to an empty string.

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It's already an empty string. I've chnged it anyway and it didn't help? –  RCB Jul 5 '11 at 21:55
What subkeys do you see? What about HKEY_CLASSES_ROOT\Directory\shell\(default)? –  SLaks Jul 5 '11 at 22:13
under Folder-> Shell i have only the default, I also have other sub directories : explore, open, opennewprocess, opennewwindow. under the Directory->shell there is also only default & sub directories : cmd, find –  RCB Jul 6 '11 at 6:27

I've solved it simply by renaming the folder. I could access 99% of folders but for some reason one or two wouldn't open. Only downside is, if I rename it to what I had before, again the folder doesn't open.

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up vote 0 down vote accepted

Yeah !!! Solved it!!!!

in the regedit I've entered to the HKEY_CLASSES_ROOT\Directory\shell\, there was a sub directory called cmd I've deleted it and now everything works fine.

I think it didn't do any other unexpected damage, I've been using my computer for several hours and it seems there are no unwanted side-effects

An anonymous editor mentioned that deleting subdirectories might not be necessary, he rather solved it by changing the value of (default) to explore (which picks up the explore subfolder instead of the cmd subfolder).

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