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How to Fix Windows Update Error 0x80070005 - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Fix an Nginx Redirect Loop: Step-by-Step

2026-07-28 08:07:03
How to Fix Windows Update Error 0x80070005 - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Fix an Nginx Redirect Loop: Step-by-Step

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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