WinSockFix will offer a last resort if your Internet connection is corrupted due to removed or invalid registry entries.
It can often cure the problem of lost connections after the removal of Adware components or improper uninstall of firewall applications or other tools that modify the XP network and Winsock settings.
If you encounter connection problems after removing network related software, Adware or after registry clean-up; and all other ways fail, then give WinSock XP Fix a try.
It can create a registry backup of your current settings, so it is fairly safe to use.