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How to Fix Cloudflare Error 521: Origin Server Unreachable - Pip Externally Managed Environment: What to Do-Resolve Git Merge Conflicts by Keeping Both Files

Updated 2026-07-28 12:32:41windows-fixes
How to Fix Cloudflare Error 521: Origin Server Unreachable - Pip Externally Managed Environment: What to Do-Resolve Git Merge Conflicts by Keeping Both Files
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.