Windows 7 System File Checker (sfc) not working

Posted by Andrew on Super User See other posts from Super User or by Andrew
Published on 2009-11-29T20:02:51Z Indexed on 2010/05/14 23:04 UTC
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windows-7

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64-bit

I have a strange problem with Windows 7 RTM. I'm running Ultimate 64-bit edition.

Whenever I run sfc /scannow I get this error:

Windows Resource Protection could not start the repair service.

My research so far has told me that I need to set the Windows Module Installer and Windows Installer services' startup types to Manual.

They already were, so I manually started those services and tried again. No luck.

I've even booted into my Windows 7 repair disc and tried running sfc /scannow from that. All I get is this:

A repair operation is already pending.  Restart and try again.

History:

I'm trying to run sfc because I am unable to open any images in Windows Photo Viewer. Whenever I try, I get the error "Class not registered."

I believe the problem started after I installed Gladinet, but I can't be sure. I've uninstalled Gladinet, but the problem remains.

System Restore was disabled (yes, I know I'm stupid - you don't have to remind me). Please help. Thanks.

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