Fix PostgreSQL Connection Refused on Port 5432
When you see psql: error: connection to server at ... failed: Connection refused on ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Task Scheduler 'Logon as Batch Job' Permission Denied
If you see "Task Scheduler permission denied for logon as batch job" when running a scheduled tas...
Windows Terminal Post-Install Checklist: 10 Essential Tweaks
After a fresh Windows install, Windows Terminal usually runs without issues, but the default conf...
Fix 'npm command not found' in VS Code Terminal
If you see 'npm command not found' in the VS Code terminal, it usually means Node.js is not insta...
PowerShell Performance Checklist for Slow Scripts
If your PowerShell script takes minutes instead of seconds, the problem is usually not the comput...
How to Fix PowerShell Authentication Failed Error
When you see an "Authentication failed" error in PowerShell, it usually means the system couldn't...
Topic paths
Quick titles
Cloudflare 522 Error: Nginx Troubleshooting GuideFix Windows Update Assistant on Mac – Boot Camp & VMWindows CMD 502 Bad Gateway FixHow to Fix Windows Search Service Stopped ErrorWindows 10 PowerShell High Memory FixHow to Fix PowerShell Service UnavailableFixing Nginx Permission Denied Error (Code 13)Resolve pnpm Store Permission Issues on macOS