I have tried to enable the task manager,but it won't let me1 person needs an answerI do too

I have tried to enable the task manager,but it won't let mePlease perform following steps.Method 1Click 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 /fMethod 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.exeMethod 3: Using Group Policy Editor - for Windows XP Professional· Click Start, Run, and 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.Method 4Download and run this REG fix and double-click it.Please click on the below link.http://www.kellys-korner-xp.com/xp_tweaks.htmPress CTRL+F to open search window type Enable Task manager.Please click on Enable Task Manager and it prompts you to save a .REG file.Please save the file and double click on it.Please reply, if you face any problem. K M JHA Technical Support Executive (INDIA)