Cannot set port information.
This one usually is related to modem problems.
Try deleting the connectoid (the dialer in dial up networking).
Try uninstalling/reinstalling Dial Up Networking (DUN).
You could also try uninstalling, rebooting, and reinstalling the modem as
Also try turning up the modem volume, and trying to listen to make sure
you hear the dialtone, and the modem dialing out, and hopefully some
handshaking from the other end.