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13 Apr 2011  

Windows 7 Professional
Administrator getting Access Denied along with CHkdsk errors at startu


I'm trying to help a friend troubleshoot a problem that she is having on her Win7 64-bit machine. She is the only user of the machine and her user icon shows her as administrator.

I have not seen the problem but according to phone conversations when she turns the PC on she gets a black screen with a message that the file system is being checked, but the checking stops with an "unknown error", the black screen flashes and then she gets to her normal log-in screen. This has been going on for a few weeks (ARRRGGHH). The only reason she called me was that she lost internet connectivity this morning. I told her we needed to ignore the connectivity issue until we get the disk issue resolved.

I had her login, open a command prompt, and type in CHKDSK /f but the system returns an ACCESS denied and says she need elevated credentials to run this. As I said she is the only user and she is listed as an administrator under account controls. I had her create a new user account with administrator privileges but NO JOY she still cannot run CHKDSK /f.

This is sounding a bit like a virus but I was wondering if anyone had some thoughts on why, or how, administrator privileges are being overridden?


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