Sorry to resume this old thread but I believe those  RunAsSystem, RunFromToken and Devxexec   are the only commands that can help me. I am trying to build a windows7 with the highst performances possible when logged in with a specific user. The goal is to run psychological experiments. My idea was to create a simple batch that stops, eg., the antivirus program, specifically it's a System Center Endpoint which is hardened by microsoft and I found out that only the "TrustedInstaller" is able to stop it.  Infact if I run the above commands as written in this thread I am able to stop the  MsMpSVC service.     so I was wondering if they can work if run from inside  TaskScheduler, as SYSTEM  i suppose.   thanks