681 The modem reported a general error

681 One of the Network and Dial-up Connections configuration files probably contains information that is not valid.If your modem is not supported by Network and Dial-up Connections, switch to a supported modem. For the most up-to-date list of supported modems, see the Hardware Compatibility List at the Microsoft Web site (http://www.microsoft.com/). Your Windows 2000 CD includes a copy of this list ( drive: \Support\hcl.txt) that was accurate as of the date Windows 2000 was released.