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Hello PW:
Would be nice if you could give us a better idea of your system specs and the issues at hand.
777? How about this:
777 The connection attempt failed because the modem on the remote computer is out of order.
Is this what happened? If so, call your ISP.Good Luck!

777 - The connection attempt failed because the modem (or other connecting device) on the remote computer is out of order.
I have been unable to find any good information about this error; the listings of DUNS error codes that I've found on Microsoft's site don't even include this error. This error cannot occur with Windows 95/98 or NT - only with Windows Me or 2K.
This error can occur if you have installed your modem with an incorrect driver. Identify your modem chipset, PCI ID, manufacturer, and make sure you are using the correct driver.
If you get this error, the modem or DUNS may not be installed or set-up properly. See if you can talk to your modem with Hyperterminal setup if you can, inspect/re-install DUNs; if you cannot, the modem needs to be re-installed.
Many PCI modems include an entry in Windows' ADD/REMOVE PROGRAMS (from Control Panel or System): it is important to remove any installed modems using this remove function to properly update the registry. In some cases where the modem has been installed more than once with different driver versions without proper removal, the registry may be corrupted: if this is the case, only manual editing, restore from backup, or re-installation of Windows may cure the trouble.
Also note: In many cases, PCI modems will not operate in all of your PCI slots. Also see: Forum56 Post regarding HP-supplied modem and error 777.
Ref. :
http://808hi.com/56k/duns777.asp?sc=8%3A16%3A11+PM

I have just received a call on this error and error 777 is sometime refer to a username/password issue.....what you may want to do is try another phone number ......
and retype username password.....

Microsoft does indeed have this error list, although I don't think it's much help at all.
http://www.microsoft.com/technet/treeview/default.asp?url=/TechNet/prodtechnol/winxppro/proddocs/error_contents.asp

This error will sometimes pop up other errors which should clue you in on to that this is a modem issue. The errors it will bring up are 680 and 721.

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