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Microsoft Management Console problems -- MMC cannot open files
Greetings,
Hoping that someone can help me out.... Dell Inspirion desktop, win7 home premium, about 1-2 years old. Has been running ok until last week. Major symptom is screen stuck at 640x480. When I right click and try to change the resolution, I get long string of ::{26ee0688- blah blah.... as the dialog title, and in the box it says "windows cannot find same long string underneath... hit ok and another dialog box titled explorer.exe and inside it says windows cannot find ". make sure you typed the name correctly, and then try again. hit ok, tried again and same results.... this led to poking around in control panel. noticed that many items I clicked to open would not respond.... nothing. ex. personalization or display or system or troubleshooting... when i clicked device manager, got dialog titled microsoft management console, inside MMC cannot open the file c:\\windows\system32\devmgmt.msc. stuff about it may not exist, is not a console, or created by a later version of mmc.. or i don't have sufficient rights... tried administrative tools and it did come up, and opened an explorer view of files like component services, computer management etc. clicking all said same mmc cannot open file message.... Googled a bit and was led to attempting the sfc /scannow tool. Tried for several days and got the same message "windows resource protection, could not start the repair service"...hence my attempt in forums.. now, as I type this desperate plea I tried sfc again and..... sfc is now working!?!?! waiting for it to finish...---- am I on the right track? can someone point me to a thread or guidance on how best to continue to recover?? Many thanks!!