This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is csrs.exe Windows startup process
File name: csrs.exe
Program name: Com+ Sys
Description: FORBOT-BT WORM
Information added by: derzis at 16 August 2008
Hint: If csrs.exe file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.
We are presenting list of Windows processes, startup files.
Name of csrs.exe is Com+ Sys. Some of them are viruses, so you should use a antivirus program.