Should I 'Reboot' the remote comp from within a remote connection session, I can no longer re-logon to the remote comp after the restart.

The logon screen appears for me to enter my User account and password and seems to start logging on, after a few seconds, instead of logging on, I see a Logging off message and the session auto-closes.

Is there a possible security setting in XP or my ZAP program that might be disallowing a remote inital connection?

Disable you antivirus and see what happens..

I have seen it before when using Norton Antivirus