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

Short answer: you can't and you shouldn't.

Long answer: You can try to start a second 'helper' process, that checks every x seconds if your app is still running. If it isn't, it restarts it.

If you want a process to run for a long time just don't trust users to keep it running, consider windows services. They are designed for this.