Windows Vista Winsock TCP/IP stack settings may get corrupted, causing multiple errors  and questions with Internet connectivity. Winsock or Windows sockets configuration coruption can be result  to a lot of reasons such as installation of a networking software, or due to virus, trojan or malware spyware infection.

When Winsock protocol corrupts, the networking errors may handle your internet connectivity  include unable to surf the Internet with “Page cannot be displayed” error message in Internet Explorer or Firefox  even although the DSL/ADSL/cable Internet connection is connected. Sometimes, Windows Firewall/Internet Connection Sharing (ICS) stops working as well.Email and messaging programs stop working

To repair and reset the Windows Vista Winsock

1. Click on Vista Start button, or you can use the “winkey + R”
2. Type Cmd in the Start Search text box and hit on enter.
3. Press Ctrl-Shift-Enter keyboard shortcut to run Command Prompt as computer Administrator.
4. Type netsh winsock reset in the Command Prompt shell, and then press the Enter key.
5. Restart your computer.

What netsh winsock reset command performs are it resets Winsock Catalog to a clean state or default configuration.
It removes all Winsock LSP (Layered Service Providers) formerly installed, together with the probable malfunctioned LSP that spells loss of network packets transmission failure.
So all previously-installed LSPs must be reinstalled, and all settings returned to default.

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