Prevent C# app from process kill

Question

How can I protect my C# app from someone killing its process via taskman or programmatically?

Here is my scenario:

App A is an MFC app developed by another t

Answer 1

You can't - as long as the user has the right to call TerminateProcess on your program, you can't prevent End Process from killing you immediately in task manager. Raymond Chen posted on this some time ago: The arms race between programs and users