If you want to list down all the background running tasks and terminate them using Command Prompt, you can use the Tasklist and Taskkill commands. This article will help you find all the details ...

I found the apps slowing down my PC - how to kill the biggest memory hogs ...

I'm going to assume that this is a legitimate request. However, my only answer is this: what you are describing is a rootkit, or at best, some form of malware. There is no legitimate reason for any ...