Reset TCPIP is a freeware TCP/IP repair application that's light on system resources, portable and easy-to-use.
Here are some screenshots to illustrate the features and user interface of this application:
Reset TCP/IP Windows. Screenshot of Reset TCPIP - 1549px · 1017pxTCP/IP can sometimes become damaged or corrupted use Reset-TCPIP to reset. Screenshot of Reset TCPIP - 1549px · 1017px