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 'Port Already Allocated' for Windows Update Service
You might see a 'port already allocated' error when Windows Update tries to use a specific port t...
Fix Command Prompt Not Working After Windows Update
After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...
How to Fix the Chrome Profile File Locked Error
You try to open Chrome and get a message that says something like “Your profile could not be open...
How to Fix Windows Security Keeps Crashing
If Windows Security (formerly Windows Defender) keeps closing unexpectedly, you may see error mes...
Microsoft Teams Troubleshooting Checklist: Solve Common Issues
If you're here, you're probably staring at a Teams error, frozen screen, or audio that won't work...
Topic paths
Quick titles
BitLocker Dependency Conflict TroubleshootingWindows 10 Chrome Profile Not Found: TroubleshootingWindows Search Index Repair GuideOffline Windows Update Download via UbuntuWindows Security Configuration for Remote Desktop: A Practical GuideSpeed Up Windows Terminal: Performance ChecklistChrome Token Expired: Restore SyncFix Windows Activation Proxy Error After Network Change