Double clicking explorer always opens a new explorer window

GregDude — Sat, 30 Aug 2008 07:28:25 GMT

[b]SOLVED: Was caused by MS Internet Explorer Beta 2. I just uninstalled this and after the mandatory reboot, Windows Explorer is back to normal.[/b]

This just started happening, perhaps in the last few days. I just want explorer to show the double clicked folder or drive in the same window, same as if I right click 'explore' on a folder item.

These are the things I've tried so far:

1) Control Panel -> Folder Options -> Open each folder in the same window
2) Uninstall all software installed in the last week (except nVidia driver and Internet Explorer 8 beta 2). Will uninstall these as soon as I can reboot.
3) Downloaded ShellExView (shexview) and disabled every explorer extension except 2 that are required to run explorer at all.
4) Ran Regedit and checked HKEY_CLASSES_ROOT\Directory\shell and HKEY_CLASSES_ROOT\Drive\shell for value other than 'none'
5) Run command regsvr32 /i shell32.dl to restore some shell default behavior
6) Regedit check HKEY_CLASSES_ROOT\Folder and copy all common values from another working Vista install.

Please help if you can. A Google search shows a few people with the same issue but no working solutions.

Edit: Added more things tried.
Edit: Solved!

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Double clicking explorer always opens a new explorer window