Resetting the TCP/IP stack in Windows, Any Version
If you are having networking issues in Windows that you just can’t find a resolution to, just about any version, resetting the TCP/IP stack will generally resolve the issue. If you are seeing “Unidentified Network” In the “Network and Sharing Center” in Windows Vista and up, this will fix your issue. If you can’t browse the Internet and just can’t figure out why, this will generally fix that also.
You will have to run this command from an elevated command prompt. To reach an elevated command prompt, click on Start>Accessories>, then right click on the command prompt and click “Run as administrator”. On Windows 8, find it yourself. Sorry, I don’t do Windows 8 as it will never be in the enterprise. Windows 8.1, right click on the Start button and right click on “Command Prompt” and click on run as administrator.
Here are the commands:
netsh int ip reset c:\resetlog.txt
netsh winsock reset
Run both of these then reboot your computer. Upon reboot, you will be asked what kind of network you would like. Work, Public, or Home. I always answer Work here just for general purposes. It enables network discovery and file and printer sharing. As long as you are behind a firewall and have your anti-virus and Malwarebytes Pro you should be ok. If not, please turn off the machine and throw it away.