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How to Fix Chrome Sync Not Working with Multiple Profiles - Resolving Nginx Upstream Refused Errors with Cloudflare-Troubleshooting Docker Build Context Canceled

Updated 2026-07-28 08:49:20windows-fixes
How to Fix Chrome Sync Not Working with Multiple Profiles - Resolving Nginx Upstream Refused Errors with Cloudflare-Troubleshooting Docker Build Context Canceled
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.