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Windows Security DNS Error Troubleshooting Checklist - How to Resolve Certificate Error 0x800b0109 in Windows-kubectl Connection Refused TLS Handshake Error Fix

Updated 2026-06-13 18:12:58cloud-software
Windows Security DNS Error Troubleshooting Checklist - How to Resolve Certificate Error 0x800b0109 in Windows-kubectl Connection Refused TLS Handshake Error Fix
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.

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