netsh winsock reset is useful command that you can use in Microsoft Windows to reset winsock catalog back to default setting or clean state. You can try this if you are having following Internet access or networking problems but still failing to resolve the problem after trying all other suggestions.

- Internet or network problem after removing the adware, spyware, virus, worm, trojan horse, etc
- Loss network connection after installing/uninstalling adware, spyware, antispam, vpn, firewall or other networking programs
- Unable to access any webpage or can only access some webpages
- Pop-up error window with network related problem description
- No network connectivity due to registry errors
- DNS lookup problem
- Fail to renew the network adapter’s IP address or other DHCP errors
- Network connectivity issue with limited or no connections message
- Other networking problems

If you are using Windows XP, here is the way you can launch command prompt after logging in as administrator.

1)Go to Start and click Run…

2)Type cmd.exe and click OK.


Note: If you are Windows XP user and don’t used to play with commands, then you can try Winsockfix program to reset winsock catalog.

http://www.snapfiles.com/get/winsockxpfix.html

If you are using Windows Vista or Windows 7 here is the way you can launch command prompt.

1) Go to Start -> All Programs -> Accessories

2) Right-click on Command Prompt and click Run as administrator.

3) Type netsh winsock reset in command prompt and hit ENTER button.

4) Restart the computer in order to complete the reset, after that test to access your network or Internet again.