It's a possibility that his account is running something using his credentials and possibly locking the account up. One of my helpdesk had performed this on his machine and forgot about. Everytime he would log in, it would either work no problems or having the login window appear multiple times. I would start there with this one user.
Last Wiki Answer Submitted: July 13, 2009 7:38 pm by Aguacer08,120 pts.