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 VSCode IntelliSense Not Working with TypeScript
You open a TypeScript file in VSCode, start typing, and get no autocomplete, no hover info, no er...
How to Fix Cloudflare 522 Error (Firewall Blocking)
If you see a Cloudflare 522 error, the connection between Cloudflare and your origin server timed...
Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate
When cloning or pulling from a Git repository, you may see:
fatal: unable to access...How to Change npm Directory to Avoid Permission Denied
If you've seen "EACCES: permission denied" when running npm install -g, ...
Debugging Jest Tests in VS Code: Breakpoints Not Hit
You set a breakpoint in a Jest test file, start debugging, and the test runs to completion but th...
Issue queue
SitemapVS Code Terminal Broken After Update? Try These Fixes
Python UTF-16 File Reading Error Fix
How to Resolve Git Clone Connection Timed Out
Fix Git Detached HEAD Without Losing Work
Troubleshooting Nginx 502 Upstream Connection Refused
Fix Windows Explorer Error 0xc0000005 on Restart
Fix Windows Defender Real-Time Protection Stuck Off in Windows 11
Fix Python Dependency Conflicts
How to Create a New Branch from a Detached HEAD in Git
Nginx Redirect Loop Fix: Practical Guide
How to Fix pip install Permission Denied on Linux/macOS
Resolve Cloudflare 521 Error with DNS Fix
Python UTF-16 File Reading Error Fix
How to Resolve Git Clone Connection Timed Out
Fix Git Detached HEAD Without Losing Work
Troubleshooting Nginx 502 Upstream Connection Refused
Fix Windows Explorer Error 0xc0000005 on Restart
Fix Windows Defender Real-Time Protection Stuck Off in Windows 11
Fix Python Dependency Conflicts
How to Create a New Branch from a Detached HEAD in Git
Nginx Redirect Loop Fix: Practical Guide
How to Fix pip install Permission Denied on Linux/macOS
Resolve Cloudflare 521 Error with DNS Fix