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 'Port Already Allocated' Error After Windows Update
After a recent Windows update, you might see an error like 'port already allocated' when starting...
How to Fix Outlook High Memory Usage on Windows 10
When Outlook starts eating up hundreds of megabytes of RAM—or even over a gigabyte—it can slow do...
How to Open Command Prompt as Admin in Windows 11
Many Windows 11 tasks—like fixing system files, resetting network settings, or managing disk part...
How to Repair a Corrupted Windows Security Log
If you see errors like "The security log is corrupted" or Event ID 1104 in the System log, Window...
Fixing Git SSL Certificate Problems on Windows
You try to clone or pull a repository and see an error like SSL certificate problem: unable...
Topic paths
Quick titles
Fix Windows Search 502 Bad Gateway Network ConfigHow to Resolve WireGuard Handshake TimeoutFix Outlook Search Problems QuicklyTroubleshoot Windows Update 0x80073712WinRAR CRC Failed TroubleshootingHow to Fix Chrome Not Starting Automatically on BootWindows Defender Not Opening? Fix It FastFix Chrome Offline Installer Error 0x80070002