I am having problem with my Windows Vista Home premium edition.
I am logging with Administrator account but still is not giving me excess to all the right which administrator has. If I am opening my c drive it is giving error "access is denied". Also if am doing any changes to user accounts it is giving error "cannot open access control editor" and "access is denied".
When going to properties of c drive it is showing unknows owner in ownership tab and dening access to administrator to do change ownership to the default user.

Initially I was using my default user with admin right, but when i started getting problems, I have activated Administrator user. And now very much surprise that how my administrator account is behaving like a normal user account.

Can any one help me the same?

Dani AI

Generated

suggested disabling UAC and suggested creating a new account or reinstalling. Those moves either hide the symptom or are extreme. The more likely causes are corrupted NTFS ownership/ACLs, a non-elevated token, or file-system errors. Try targeted recovery steps first (and back up personal data before making global permission changes).

First, confirm the account really has Administrator membership and an elevated token by running these from a Command Prompt launched with “Run as administrator”:

whoami /groups
net localgroup Administrators

If the account is not listed in Administrators or the elevated token is missing, fix group membership (or boot to recovery to repair it).

If group membership is OK, check and repair the filesystem, then take ownership and reset ACLs. From an elevated prompt (or from WinRE if Windows blocks changes) run a disk check and then use Microsoft’s built-in tools to claim ownership and restore access:

chkdsk C: /F /R
takeown /F C:\ /R /D Y
icacls C:\ /grant Administrators:F /T /C

Documentation for these utilities is here: takeown (https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/takeown), icacls (https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/icacls) and chkdsk (https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/chkdsk). Run them from an elevated shell; if Windows won’t elevate, use the Windows Recovery Environment (WinRE) command prompt (overview: ).

If ownership/ACL tools fail or you suspect malware, perform an offline scan (for example, Microsoft Defender Offline) before deeper repairs: . If none of the above restores normal rights, a repair install or restore-from-backup is the safer next step than a blind format.

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I think You should have to Open certain thing in compactibility mode (XP or 98) through properties but if the problem still alive then it is better to form a new user wth admnistrator even this fails it is better to format and load a good anti virus!

Turn off User Account Control.
Start>Control Panel>User Accounts>Turn User Account Control on or off

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