I think for trickster save your use details, you must successfully log out. so if you can log in, set the user information then log out, it should save~
(abrupt D/C's make u lose the unsaved user data)
Also for the vpn, try turning off file/printer sharing + client for microsoft networks, and see if that does anything.
When I First used the vpn is used to D/c alot. but after tinkering with it a bit, I got it work a while lot stabler. (I was able to Leave it over night without any d/cs for 2 days)