Broadband connections appear strange question! Master Come in!

Users questions:Last night I downloaded the company's telecommunications network between the accelerator Netcom: unified gateway, free of charge after the original find themselves unable to use a broadband connection. Suggest that 691 error, but my account password is definitely correct. Remove connection to re-establish the connection is not OK. Was able to login from another accountLog on. It makes me very depressed. Please help me out a master mind. In the end how the matter? I suspect the problem is the reunification of the gateway. However, after the reunification of the gateway still will not uninstall. After reloading the system with the ghost is not OK. Network adapter in Device Manager, no problem. Now only accounts with colleaguesNo. online. My system is xpsp2 playing to the latest patch. Rising antivirus software is, playing to the latest patch. Rising Firewall is, and it is up to date. AMD3000 +64 Onda motherboard integrated NIC processor 512 * 2DDR2 memory. Had never been any problems. I do notPoints, and please save urgent ~ ~ 555,555,555,555,555 is not a unified gateway to steal account and password in honor of A? I also tried another machine, the same can not login, 691 error ...
Experts answer:Error691 problem: Enter the user name and password does notCan not establish a connection Cause: The user name and password error, ISP server troubleshooting: use the correct user name and password, and ISP account to use the correct format (name @ service), call the ISP. If you do not confirm the user name and password input error and noArrears would be to link them with the telecommunications customer.
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