How to Fix ERR_NAME_NOT_RESOLVED via Router Settings - Resolving Nginx Connection Refused Error-Fix npm ENOENT Package.json Not Found & Permission Denied

Updated 2026-07-28 12:58:43windows-fixes
How to Fix ERR_NAME_NOT_RESOLVED via Router Settings - Resolving Nginx Connection Refused Error-Fix npm ENOENT Package.json Not Found & Permission Denied
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.