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Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10 - How to Restart Windows Update Service in Windows 10-Resolving Nginx Upstream Refused Errors with Cloudflare

2026-07-28 05:14:16
Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10 - How to Restart Windows Update Service in Windows 10-Resolving Nginx Upstream Refused Errors with Cloudflare

Result check

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

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