WinSock Network Corruption in Windows

How to fix a WinSock Network corruption in Windows

Using the laptop
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Corruption of the WinSock installation causes network connections to fail on computers running the Windows operating system. This corruption may occur when software applications that rely on WinSock are uninstalled. These applications include adware and spyware systems, software firewalls, and other internet-aware programs. Here's how to fix WinSock corruption problems.

Instructions in this article apply to Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista, and Windows XP SP2.

Fix WinSock2 Corruption

For Windows systems, Microsoft recommends following a specific manual procedure to recover from WinSock network issues caused by corruption. The procedure varies depending on which version of Windows is installed on your PC.

With Windows 10 to XP SP2, the netsh administrative command-line program can repair WinSock.

You must run the Command Prompt as an administrator.

For older Windows XP installations without XP SP2 installed, the procedure requires two steps:

  • Modify the related Windows Registry keys.
  • Re-install the TCP/IP protocol.

To use the Network Shell (netsh) in the Command Prompt:

  1. Right-click the Command Prompt app and select Run as administrator.

    Run as administrator in Start menu
  2. In the User Account Control dialog box, select Yes

    Yes confirmation dialog
  3. In the Command Prompt, enter netsh winsock reset and press Enter.

    netsh winsock reset
  4. Restart the computer.

  5. Run the Command Prompt as administrator. Enter netsh int ip reset and press Enter.

    netsh int ip reset in Command Prompt
  6. Restart the computer.

  7. Run the Command Prompt as administrator. Enter ipconfig /release and press Enter.

    ipconfig /release in Command Prompt
  8. Enter ipconfig /renew and press Enter.

    ipconfig /renew in Command Prompt
  9. Enter ipconfig /flushdns and press Enter.

    ipconfig /flushdns in Command Prompt
  10. Close the Command Prompt window.