[Imstjimmy]

For the past 3 weeks or so i have two main problems with my internet connectivity. These are:

1) Internet connection wont connect due to (i think)
a) ERROR 734
and/or b) ERROR 721

When i go to Help and Support on my computer and attempt to cure these errors with the specified methods, it doesn't make a difference, and i have to restart the computer.

2) Internet connection is lost. At any time, the connection is lost and when i go to a webpage a page is shown with "Page Cannot be Displayed", the computer does not recognize that it is disconnected, and when i try to disconnect it, it is not disconnect. Therefore i have to restart the computer again, to get the connection going again.

I run on the dial-up modem Speedtouch 330 and my computer is running on Windows XP Home Edition 2002.
I have run virus programmes including Malwarebytes Anti-Malware, AVG Anti-Virus and
Advanced SystemCare but to no effect. No virus is ever traced.

Any help would be very much appreciated.

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Error 734 = The PPP Link Control Protocol Was Terminated.
Error 721 = Error 721: The remote computer is not responding

Error 721 is usually a provider problem, though some possible solutions are here:
http://www.broadband...r_code_721.html

Error 734 can be caused by a setting, which is explained here in how to change it:
http://support.microsoft.com/kb/318718

[Neil Jones]

Error 734 = The PPP Link Control Protocol Was Terminated.
Error 721 = Error 721: The remote computer is not responding

Error 721 is usually a provider problem, though some possible solutions are here:
http://www.broadband...r_code_721.html

Error 734 can be caused by a setting, which is explained here in how to change it:
http://support.microsoft.com/kb/318718

[Imstjimmy]

Sorry for my late reply. Both those links you supplied provide solutions which do not work, do you have any other ideas on how to fix?
thank you