Home / developer-tools / Fixing PostgreSQL Connection Refused and Permission Denied - Fix DNS Probe Finished NXDOMAIN on Chrome for Mac-Windows 10: Port Already Allocated Error in Windows Defender Fix

Fixing PostgreSQL Connection Refused and Permission Denied - Fix DNS Probe Finished NXDOMAIN on Chrome for Mac-Windows 10: Port Already Allocated Error in Windows Defender Fix

Updated 2026-06-13 13:54:24developer-tools

Fixing PostgreSQL Connection Refused and Permission Denied - Fix DNS Probe Finished NXDOMAIN on Chrome for Mac-Windows 10: Port Already Allocated Error in Windows Defender Fix

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

More workflow manuals

Fix 'nvm command not found' on Windows After Installation Windows Update Failed to Install: Step-by-Step Checklist Fixing VSCode Remote SSH Connection Timeout on Windows Fix Windows Defender Error 502 Bad Gateway How to Fix Windows Security Cache Error Fix OBS Virtual Camera Not Working After Update