" Life's a box of chocolates. You never know what you're gonna get. "

A free Winsock/Tcp repair utility  , WinSockFix offers a last resort if your Internet connectivity has been corrupted due to invalid or removed 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  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 Fix a try. It can create a registry backup of your current settings, so it is fairly safe to use.

Free Download here   
I only can add it saved my PC ´s  "life "more times than I can remember