does the the computer start up in safe mode ok?
services.exe is part of windows that handles starting services at start up or it could be a nasty pretending to be this process click here
do you have up to date antivirus software installed and have you run a full scan with it in safe mode to make sure the computer is clean?
keep tapping F8 when you switch on and select safe mode from the list that appears.
you say it counts down then restarts.... does the window in which you see this countdown look like this? it could be blaster maybe click here