Can not connetc to home wireless

[srizki]

Hello,
I am trying to connetc wireless home network, it is asking user name, password and domain name. I have entered WEP key, still can not connetc.
Please help, my other computer are connected to the same router.
I am using windows vista on this Toshiba.

 

[Emerald]

Hello,
I am trying to connetc wireless home network, it is asking user name, password and domain name.

are you in Vista? it sounds more like the Domain Network login screen and not that of the wireless.