Scrie asta în Run şi dă enter: REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f
Start -> Run ->gpedit.msc -> System -> Prevent Access to Registry Editing Tools -> DISABLED
Pentru Win7:
run -> gpedit.msc -> user configuration -> administrative templates ->system -> Prevent Access to Registry Editing Tools -> DISABLED (NO)
E nevoie de restart la pc?