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 listFix Windows Security Not Opening Error 0x80073cfc
When you double-click Windows Security and nothing opens, or you see error 0x80073cfc, it usually...
How to Fix Chrome Slow Performance on Windows 10
If Chrome feels sluggish on your Windows 10 machine — pages take forever to load, scrolling stutt...
How to Configure Windows Defender Firewall Settings for a Network
If you're having trouble with network connectivity or need to allow an app through the firewall, ...
Fix Windows Terminal Auto-Start Permission Denied Error
If you've set Windows Terminal to launch automatically at login but get a 'permission denied' err...
Fix Windows Terminal 504 Error When Connecting to Remote Server
When you use Windows Terminal to connect to a remote server (SSH, WSL, or Azure Cloud Shell) and ...
Topic paths
Quick titles
How to Fix Remote Desktop CPU SpikesFix Windows Activation 502 Bad Gateway Server TimeoutHow to Fix Chrome Version Mismatch ErrorJava JDK Not Found in Windows 10: Troubleshooting GuideFix Microsoft Store Sign-In Loop: Step-by-Step GuideFix Windows Security Login Loop: Step-by-StepBitLocker Module Error Troubleshooting GuideHow to Locate PowerShell Log Files Quickly