Fix Windows Security Port Already Allocated Error - Troubleshoot Windows Update Error 0x800f0922-How to Fix WireGuard Handshake Errors on Windows

Updated 2026-06-13 16:22:21backup-recovery
Fix Windows Security Port Already Allocated Error - Troubleshoot Windows Update Error 0x800f0922-How to Fix WireGuard Handshake Errors on Windows
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.