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I mistakenly denied all rights to open my disk drives, including administrator. Now I cannot access any of my disk drives.

Is there a workaround for this? Windows 7 won't let me create a new user or account. Everything is locked up.

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2 Answers 2

If you've changed all the permissions on all folders under C: you've probably hosed your Windows 7 installation. There are too many distinct ACLs for it to be worth putting them back in place.

As far as fixing this goes, you should be able to change ownership of a folder to your account and then once you take ownership you can change the security settings again.

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Is SU a forums now? Why quote the OP's entire question? –  MrStatic Dec 5 '10 at 16:04

Follow these steps:

  • Enable the built in Administrator (Click for Steps)
  • After you enable the built-in Administrator, log off your current user
  • Log in to the built-in Administrator account
  • Attempt to disable UAC while logged in to the built-in Administrator account. (Methods to disable)
  • After disabling the UAC, then reboot your system.
  • Boot in safe mode via F8 during boot-up but before the Windows Logo appears
  • While in safe mode, make the wanted changes to the drives. (Credit)
  • Reboot and confirm work.
  • Disable the built-in Administrator account.
  • Enable Window's UAC.

Warning: Disable the Administrator Account and Enable UAC when finish for security reasons.

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