This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is VVSN.exe Windows startup process
File name: VVSN.exe
Program name: VVSN
Description: WhenU adware
Information added by: Silme at 15 November 2008
Hint: If vvsn.exe file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.