To add my 2 cents, I cannot connect to unencrypted networks even using the bcm43xx driver instead of ndiswrapper. However, once I set my network to WPA-PSK encryption and used the appropriate login, I connected immediately.
-- Cannot associate with unencrypted networks using bcm43xx chipset (ndiswrapper driver) https://launchpad.net/bugs/42504 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs