npm run build Failed: Troubleshooting Checklist
When npm run build fails, the error message can be cryptic. This checklist walks thr...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...
Fix Windows Defender Real-Time Protection Permission Denied
When you try to turn on or off Windows Defender real-time protection, you might see a "Permis...
Fix Cloudflare Origin Certificate Mismatch Errors
If you see 'Origin Certificate Mismatch' in Cloudflare or browser warnings, it usually me...
Fix VSCode Source Control Not Detecting Changes
You open the Source Control panel in Visual Studio Code, expecting to see your file changes, but ...
How to Fix Docker Container Exits Immediately with Permission Denied
You start a Docker container, but it exits immediately. Running docker logs shows a ...
Issue queue
SitemapVSCode Terminal Won't Open After Extension Install
Cloudflare 521 Error Due to Server Overload Fix
Fix Chrome ERR_CONNECTION_RESET: DNS Flush and More
Resolve npm Install Permission Errors Caused by Yarn
Resolve SSL Certificate Error for Local Development
Stop Windows Indexing for Performance
How to Fix Chrome Black Screen on Windows 10/11
Fix Docker Network Not Found Error: Step-by-Step
Resolve Docker Context Canceled in Git Bash on Windows
Nginx 502 Error with Docker WordPress: Fixes
How to Fix 'git remote origin already exists' in GitHub
Docker Network 502 Error Troubleshooting
Cloudflare 521 Error Due to Server Overload Fix
Fix Chrome ERR_CONNECTION_RESET: DNS Flush and More
Resolve npm Install Permission Errors Caused by Yarn
Resolve SSL Certificate Error for Local Development
Stop Windows Indexing for Performance
How to Fix Chrome Black Screen on Windows 10/11
Fix Docker Network Not Found Error: Step-by-Step
Resolve Docker Context Canceled in Git Bash on Windows
Nginx 502 Error with Docker WordPress: Fixes
How to Fix 'git remote origin already exists' in GitHub
Docker Network 502 Error Troubleshooting