Hi and Welcome to TSF
Have you contacted the schools system administrator about this?
It sounds as if someone is logging into another domain while you are away from that machine, hence the changing in the default domain list
Have you contacted the schools system administrator about this?
If there was, and I dont have that answer for you at this time, you probably do not have permissions to change this anyhow.
It sounds as if someone is logging into another domain while you are away from that machine, hence the changing in the default domain list