my pc was running normally an hour ago, when i restarted it because i installed something, after the welcome screen, there are no desktop icons already and the programs in the start menu are also limited, and i cant ctrl+alt+delete and i cant even right clicked on my desktop, when i hover into my hard drive to start my avast, it says that "this operation has been cancelled due to restrictions on this computer" and to know that i am the administrator of the pc, what is happening?every application i click it says the same pop up message, please help,

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I have the same problem, one Windows XP Home, some rogue antivirus program took administrator rights from the account, but I don't know how to fix it, as gpedit.msc is not available. I can't even get to the task manager. – private_meta Aug 6 '10 at 9:12
this one took my icons, and my admin rights, damn – iDarine Aug 6 '10 at 9:27
You're screwed up. – Andrejs Cainikovs Aug 8 '10 at 8:40
really really screwed up.. – iDarine Aug 9 '10 at 4:26
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2 Answers

I think the one of the limited options you have is to boot in the safe mode and try to repair registry with appropriate tool like this one.

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its the same in the safe mode, limited icons and still there are restrictions..im toast.. – iDarine Aug 6 '10 at 7:32
Did you try to boot to 'last successful configuration'? – Andrejs Cainikovs Aug 6 '10 at 8:17
yes..but still just the same – iDarine Aug 6 '10 at 9:10
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The application that you have installed made something bad to your registry or maybe it was infected or just not intended to use on your version of Windows.

I think automatic registry repair tools wouldn't work in this case.

  • Try to boot from anti-virus live CD and scan system disc.
  • Try to boot in "'Safe' Mode" if it works than try Andrej's solution and also try to run in command line (to restore Windows protected files):

    sfc /scannow

  • Try to use Windows System Restore, I believe it can help.
  • Try to run gpedit.msc (not avialable in Windows XP Home) and fix your permissions.
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so how do i fix this? – iDarine Aug 6 '10 at 7:26
yes,the registry fix wont start anyway, still there are restrictions, any possible fixes? – iDarine Aug 6 '10 at 7:36
any fixes available? i dont have any live AV virus cd..nor windows xp cd.. – iDarine Aug 6 '10 at 7:49
just tried the suggested fixes -boot in safe mode= same problem -boot in safe mode with cmd= hangs in process and mouse is disabled -sys restore= there is no sys restore, still error oh my God, im really toast.. – iDarine Aug 6 '10 at 7:53
How would it be possible to fix those problems without the group policy editor? There IS another admin account on the computer that is not affected, but I want the original one back. – private_meta Aug 6 '10 at 9:13
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