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Fixing Cloudflare 521 Error: Origin Unreachable - Windows Update 0x80070002 Repair Guide-Git Pull Refusing to Merge Unrelated Histories Fix

Updated 2026-07-28 13:30:13developer-tools
Fixing Cloudflare 521 Error: Origin Unreachable - Windows Update 0x80070002 Repair Guide-Git Pull Refusing to Merge Unrelated Histories Fix
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.