Windows 7: folders opening in new window

any 1 help me fix this problem please !!
when opening a folder it get opened in a new window
already tried through folderoptions but not helped.

Folders open in new windows when set to use same window - Super User

I had the same problem. Re-registering two dll's and rebooting solved it:
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regsvr32 "%SystemRoot%\System32\actxprxy.dll"
regsvr32 "%ProgramFiles%\Internet Explorer\ieproxy.dll"
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when i click start\run\ type these above and click on them this it says

Module 'C:\Windows\System32\actxprxy.dll'
was loaded but the call to DllRegisterServer failed with error code 0x80070005.

For more information about this issue, you can search online for this error code.



Module 'C:\Program Files\Internet Explorer\ieproxy.dll'
was loaded but the call to DllRegisterServer failed with error code 0x80070005.



For more information about this issue, you can search online for this error code.

anyone know why i cant re register them ?

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Thanks in advance
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i think problem was with the updater/ i couldn't update some things like microsoft office 2010... i was trying to fix this problem when it got fixed this thing fixed too i had no idea this would be fixed finnaly same window opening and no update problem so far