PS AntiCheat 2.1 R4 is a software product for Windows developed by PS Sistemas
It is reported that the following Windows processes are part of PS AntiCheat 2.1 R4:
If you want to remove PS AntiCheat 2.1 R4 from your computer, just go to Start > Control Panel > Add/Remove programs and select PS AntiCheat 2.1 R4 from the list of programs.