Corrupted Winsock catalog

What is WINSOCK-CORRUPT?

The WINSOCK-CORRUPT error is categorized as a high-severity network adapter issue that can significantly impact your PC's stability. The Internet connection works on the router, but Windows cannot establish any TCP/IP connections. When experiencing the Corrupted Winsock catalog fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as faulty uninstall of vpn software (cisco anyconnect, avast secureline), malware damaging the network stack and aborted network driver update. To permanently resolve the WINSOCK-CORRUPT issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your network adapter components are functioning correctly.

Common Causes

• Faulty uninstall of VPN software (Cisco AnyConnect, Avast SecureLine)
• Malware damaging the network stack
• Aborted network driver update

Step-by-Step Fix Guide

• 1
  Reset Winsock using the command: netsh winsock reset

  Applying the first fix (Reset Winsock using the command: netsh winsock reset) addresses the most common root cause of WINSOCK-CORRUPT and restores baseline functionality.

• 2
  Reset the TCP/IP stack: netsh int ip reset

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to network instability are covered.

• 3
  Restart your computer

Commands & Diagnostics