Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Install Cloudflare SSL Certificate on Origin Server-Troubleshooting kubectl Connection Refused in Windows

Updated 2026-06-13 15:59:36office-tools
Fix Windows Defender Error 0x80070643 – Version Mismatch - How to Install Cloudflare SSL Certificate on Origin Server-Troubleshooting kubectl Connection Refused in 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.