Fixing Task Manager has been disabled by your administrator

Hi
this thing comes as a commn problem because of a TROJAN


Method 1
Click Start, Run and type this command exactly as given below: (better - Copy and paste)

REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 0 /f


Method 2
Click Start, Run and type Regedit.exe
    Navigate to the following branch:
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies\ System
In the right-pane, delete the value named DisableTaskMgr
    Close Regedit.exe
Method 3
Using Group Policy Editor - for Windows XP Professional
    Click Start, Run, type gpedit.msc and click OK.
    Navigate to this branch:
User Configuration / Administrative Templates / System / Ctrl+Alt+Delete Options / Remove Task Manager
    Double-click the Remove Task Manager option.
    Set the policy to Not Configured.