paytime.exe - This is a hijacker, this means it will change your internet Explorer settings every so often, this is usually installed with your consent disguised as something else, it's a risk you should remove it.
Fix paytime.exe Errors: Free Scan
Every attempt has been made to ensure the information about paytime.exe is accurate but alot of malware applications try to pose as valid applications. If it is something other than what was posted above please leave some feedback in the forum.
Does it cause to a loop of restarting the system as soon as windown xp starts?