If the error started recently after a specific change, use System Restore to revert your PC to a state before the issue began.
:If specific apps aren't working, create a temporary redirect rule for "All Programs" to see if the issue is with a specific rule's scope or the global connection.
If the error persists, move on.
To avoid encountering the Proxycap Winsock error in the future, make sure to:
Before diving into complex settings, the most common fix for general Winsock corruption is a catalog reset: Open as an Administrator. Type netsh winsock reset and press Enter. Restart your computer to apply the changes. Common ProxyCap Winsock Error Codes