I can't change the security of my C drive property

last 3 days ago, I changed the security of my drive c. property I have change the security of the user to 'allow' 'decline' and now I want to change back again to allow but now there is an error appear. Here is a screenshot. Pls help me.

In general, if you have refused you access your system, you will need to clear your system and re-install your operating system.

But you can also try to take ownership and grant permission to disk using elevated command prompt.

a. click on start.

(b) in the search box, type cmd

c. right-click on cmd and select run as administrator.

d. type the commands and press ENTER.

takeown /f

ICACLS /grant administrators: F

See also:

Troubleshoot "access denied" when opening files or folders

http://Windows.Microsoft.com/en-us/Windows-Vista/troubleshoot-access-denied-when-opening-files-or-folders

Tags: Windows

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