Fix Docker Compose 'Port Already Allocated' for MySQL
You run docker compose up and get an error like Error: Port 3306 is already al...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesClear Chrome Certificate Cache to Fix NET::ERR_CERT_AUTHORITY_INVALID
When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome, it usually means the browser...
Why VS Code Debugger Breakpoints Are Greyed Out and How to Fix
You set a breakpoint in VS Code, but it appears greyed out and the debugger skips it. This usuall...
How to Fix Nginx 'Upstream Connection Refused' Error
When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...
Fix npm Run Build Out of Memory Errors
If your npm run build fails with an out-of-memory error, you're not alone. This ...
Fix DNS Probe Finished NXDOMAIN Not Working on WiFi
If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...
Issue queue
SitemapNginx Configuration Test Failed: Location Block Fix
Bluetooth Missing in Device Manager Windows 11
Cloudflare SSL Full Strict Not Working? Try These Fixes
Git Clone Connection Timed Out Fixes
Cloudflare DNS Not Updating After Change: Fixes That Work
Resolve Git Push Rejected Due to Large File
Troubleshooting Cloudflare 522 Timeout Errors
Node.js Memory Limit: Permanent Configuration
Fixing Redirect Loop with Cloudflare Full Strict
Resolve Chrome Access Violation at Launch
pnpm Setup Guide for Windows: Common Pitfalls and Fixes
How to Reset VS Code Terminal Settings When It Won't Open
Bluetooth Missing in Device Manager Windows 11
Cloudflare SSL Full Strict Not Working? Try These Fixes
Git Clone Connection Timed Out Fixes
Cloudflare DNS Not Updating After Change: Fixes That Work
Resolve Git Push Rejected Due to Large File
Troubleshooting Cloudflare 522 Timeout Errors
Node.js Memory Limit: Permanent Configuration
Fixing Redirect Loop with Cloudflare Full Strict
Resolve Chrome Access Violation at Launch
pnpm Setup Guide for Windows: Common Pitfalls and Fixes
How to Reset VS Code Terminal Settings When It Won't Open