How to Fix DNS Probe Finished NXDOMAIN on Chrome (IPv4/IPv6) - npm ENOENT Error: Package.json Missing or Corrupt-UFW Deny Rule Not Blocking Port: Troubleshooting

Updated 2026-06-13 13:27:36macos-help
How to Fix DNS Probe Finished NXDOMAIN on Chrome (IPv4/IPv6) - npm ENOENT Error: Package.json Missing or Corrupt-UFW Deny Rule Not Blocking Port: Troubleshooting
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.