How to Fix Chrome Extensions Not Loading or Grayed Out - Fix Firefox Secure Connection Failed Due to Proxy Settings-DNS Probe Finished NXDOMAIN on Mac: How to Fix

Updated 2026-07-28 06:55:14developer-tools
How to Fix Chrome Extensions Not Loading or Grayed Out - Fix Firefox Secure Connection Failed Due to Proxy Settings-DNS Probe Finished NXDOMAIN on Mac: How to Fix
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.