This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is msr.exe Windows startup process
File name: msr.exe
Program name: MSR
Description: AGOBOT.RT WORM
Information added by: Durandal at 01 January 2009
Hint: If msr.exe file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.