To enable Task Manager, try one of these methods:

Method 1: Using the REG.EXE console tool

1. Click Start, Run and type or copy this command:

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

try tyiping

Method 1: Using the REG.EXE console tool

1. Click Start, Run and type this command:

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

exit

One can easily bypass this restriction by using a vbscript file (Wscript.Shell object has a method called RegWrite, in which u can edit the registry under the Wscript.exe program. other programs can instantiate activex such as IE, Windows Explorer, mshta, HTML Help, etc because they utilize the IE webbrowser control.

Also it is possible to edit the registry using an INF file. This type of script has among other features the ability to write to the windows registry under Rundll32.exe.

You can use the command line registry editor too, the comand line tool reg.exe, that comes on Windows 2000 and above.