File is valid and needed to run. You can't disable it.
What is PAV.EXE Windows startup process
File name: PAV.EXE
Program name: PAV.EXE
Description: PER Antivirus
Information added by: NoShadows at 27 June 2008
Hint: If pav.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 PAV.EXE is PAV.EXE. Some of them are viruses, so you should use a antivirus program.