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Fix Windows Defender SSL Certificate Sync Errors - Resolving 502 Bad Gateway on Nginx and Cloudflare-Change DNS to Static in Windows 11 with CMD

2026-06-13 18:37:40
Fix Windows Defender SSL Certificate Sync Errors - Resolving 502 Bad Gateway on Nginx and Cloudflare-Change DNS to Static in Windows 11 with CMD

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.

Next references

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