on a certain appliance, try to put that appliance away from phone lines. Port Already Open / Modem Won't Hang Up If you get a 'Port Already Open' error when trying to establish a dial-up connection, that's Window's way of telling you some other device is using the modem. If some other device is actually using the modem (such as a voice/fax program or you are already on a dial-up connection),
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