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Fix 'Python Command Not Found' in Git Bash on Windows - How to Resolve Port Already in Use in Docker Compose-How to Fix Cloudflare 521 Error (Port 443 Blocked)

Updated 2026-07-28 10:23:13windows-fixes
Fix 'Python Command Not Found' in Git Bash on Windows - How to Resolve Port Already in Use in Docker Compose-How to Fix Cloudflare 521 Error (Port 443 Blocked)
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.