[--([-S7N-])--]

Nice guide...

Another method is: (Credits: http://ask-leo.com/why_is_my_task_manage...ix_it.html )
If you have Windows XP Pro, there's a nifty user interface to directly edit the setting you want to repair. Click Start, then click Run and type in gpedit.msc:

[img]http://images.ask-leo.com/rungpeditmsc.png[/img]

And press OK. This runs the Group Policy Editor.

Once in the Group Policy Editor, expand in turn:

• User Configuration
  


• Administrative Templates
  


• System
  


• Ctrl+Alt+Del Options

You should see something much like this:

[img]http://images.ask-leo.com/gpeditcadoptions.png[/img]

Double click on Remove Task Manager to change its setting:

[img]http://images.ask-leo.com/gpeditremovetaskmanager.png[/img]

It should be enough to click on Not Configured and then OK and Task Manager is available once again.

[-mothered-]

Some very useful bits of Info. Much agreed with both methods. Although, one must be careful when editing the registry. Once edited, It can't be reversed, which can cause system Instability.