How to fix "Task Manager disabled" by Administrator in Windows XP/Vista

If you're not part of domain environment and one day find that you're unable to access the Windows Task manager due to the error message below, there's a good chance you've been infected with a virus.




You can fix this using the following method:
-Click Start >> Run

- Paste the following command into the Run dialog box:
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f

-Click OK (A restart may be required)

Fixing Task Manager disabled by Administrator error in Windows XP/Vista is really that simple.