Fix PostgreSQL Connection Refused on Port 5432
When you see psql: error: connection to server at ... failed: Connection refused on ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Certbot Certificate Renewal Failures
You run certbot renew and get an error. Maybe the command hangs, or it says 'renewal...
Fix Chrome Profile Version Mismatch Sync Error
You see a message like "Profile version mismatch" in Chrome and your bookmarks, ...
BitLocker Recovery Key Not Connecting After Reboot: Fixes
After a reboot, you might see the BitLocker recovery screen asking for a 48-digit key, but enteri...
Fix Windows Search Path Not Found Registry Error
When Windows Search fails with an error like “Path not found” in the registry, it usually means a...
Microsoft Teams Not Working After Update: How to Fix
After a Microsoft Teams update, you might find the app won't start, hangs on loading, or shows bl...
Issue queue
SitemapStop Microsoft Teams from Using Too Much CPU
Windows Search Indexer Memory and CPU Fix Guide
How to Check DNS Configuration for Windows Activation
GitHub Actions SSH Key Permission Denied Troubleshooting
How to Fix Store 404 Error After Windows Update
Resolve Windows Update File Locking Issues
How to Fix Microsoft Teams Auto Start Not Working
Windows Defender Firewall Configuration Guide
Resolve Cloudflare 522 Timeout with Nginx
Windows Activation Network Troubleshooting Checklist
Fix npm install ENOENT Package.json Not Working
File Locked by Chrome? Here's How to Unlock
Windows Search Indexer Memory and CPU Fix Guide
How to Check DNS Configuration for Windows Activation
GitHub Actions SSH Key Permission Denied Troubleshooting
How to Fix Store 404 Error After Windows Update
Resolve Windows Update File Locking Issues
How to Fix Microsoft Teams Auto Start Not Working
Windows Defender Firewall Configuration Guide
Resolve Cloudflare 522 Timeout with Nginx
Windows Activation Network Troubleshooting Checklist
Fix npm install ENOENT Package.json Not Working
File Locked by Chrome? Here's How to Unlock