Atheros 5005G Wireless issues

I am using an acer notebook with an atheros 5005g wireless card. Vista
installed the drivers for the card fine. i can even view available networks.
the problem is that when i try to connect to it (an unsecured network) it
will say that there was an issue connecting blah blah, and gives me the
option to let vista repair. even doing this it dosnt help, it will simply not
let me connect.

any help woul be great