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For some reason, Windows Explorer has started cutting off everything after a dot (.) in my folder names.

Example:

alt text

Any ideas? I do have TortoiseSVN installed, which provides the icon overlays, but that's never been an issue before.

Also, I'm using Windows 7 64-bit and Hide Extensions for know filetypes is not checked.

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Looks like the 'feature' to hide extensions. Check in the Folder-Options (you can find it in the Control Panel, and then the tabpage View) for it.

Edit: Oh, in that case sorry, this is the only discussion which I found whcih comes close to your problem.

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This is -supposed- to just be for files, but it's the first thing that I thought of too. If it IS infact a solution, there must still be a deeper problem. – Phoshi Feb 23 '10 at 20:56
    
That's the first thing I checked. Hide extensions for known file types is unchecked. – jerhinesmith Feb 23 '10 at 21:04

OK, so following the link that Bobby posted, I found the solution. I had originally changed the default folder that the Windows Explorer taskbar icon opened to. So, instead of opening to:

%windir%\explorer.exe

I modified it to open directly into my C Drive:

%windir%\explorer.exe /n, /e, /select, C:\

After noticing that the folders were correctly named if I opened Computer from the start menu and navigated to the same directories, I changed the shortcut back to the original string and that seems to have fixed the problem.

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I have the same problem, but I have not changed the link of my taskbar icon. I do have TortoiseSVN installed. – gpvos Jan 10 '13 at 13:19

I found a solution posted by Lee Diggins at Microsoft Community that fixes the problem. It is a Fix it tool from Microsoft.

One thing to note is that if you have some customisations you wish to remain, for example customs icon for files/folder, be sure to choose the option of Detect problems and let me choose the fixes to apply instead so that you can choose which fixes are desired.

For me I only chose the fix for View and Customisation problem for a folder.

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This corrected the problem for me.

I had changed the explorer target to open on My Computer with following argument:

%windir%\explorer.exe ::{20D04FE0-3AEA-1069-A2D8-08002B30309D}

Restoring the target to %windir%\explorer.exe corrects the problem, without having to restart windows. And after having launched Explorer at least once, I can reset the target to the modified path.

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