How to Fix ERR_NAME_NOT_RESOLVED via Router Settings - How to Fix Port Already Allocated Error in Docker Compose for Nginx-Git SSL Certificate Verification Failed Local Issuer

Updated 2026-07-28 10:02:10browser-issues
How to Fix ERR_NAME_NOT_RESOLVED via Router Settings - How to Fix Port Already Allocated Error in Docker Compose for Nginx-Git SSL Certificate Verification Failed Local Issuer
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.