MT4 upgrade problem

[[Deleted]]

i am trading under trade orbitz. they have just upgraded their MT4. i have downloaded and installed it. the first time i run, it is fine. but after i exit and rerun the program, it failed to connect to the server. anyone know what is the problem??? 

[Ubzen]

*Invalid UserName/Password.
*If Demo, try creating a new demo account.
*Check Firewalls.
*Try different mt4/ Brokers.
*Contact your Broker.