You might have come across situations where a virus disabled some of your critical windows services like regedit ,cmd ,run, taskmgr etc. This little tool will enable
Registry Edit
Command Console
Run
Folder options
System Restore
Control Panel
Task Scheduler
Task Manager
Context Menu
My Computer
Ms Config
Search
You can install this application if you have .net framework 3.5 Sp1 or above otherwise download the portable version.
Read more and download Re-Enable version 2