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 notesFixing Cloudflare 521 Error: Enable Origin Pull Setup
If you see a Cloudflare 521 error, it means Cloudflare can't connect to your origin server. O...
Manually Download and Fix Windows Update Error 0x80070002
You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...
Fix Git Clone Connection Timed Out Due to Firewall
You run git clone and after a long pause see connection timed out. This...
Fix npm run build Failures After npm install
After running npm install, you may find that npm run build fails with c...
Fix Firefox Secure Connection Failed Error (Mozilla)
When Firefox shows 'Secure Connection Failed' and a message like MOZILLA_PKIX_ERROR_<...
Issue queue
SitemapDocker Container Stops Immediately on Mac: How to Fix
Firefox PR_CONNECT_RESET_ERROR Antivirus Fix
Node.js Heap Out of Memory in Production: Practical Fixes
Windows Search Not Finding Files? Fix Indexing
Docker Container Exits Immediately with Volume Mount – Fixes
Working Around pip's Externally Managed Environment
When to Use --allow-unrelated-histories in Git
Why Chrome Extensions Won't Load and How to Fix It
How to Stop Antivirus from Blocking Chrome Extensions
Fixing Docker Build Context Canceled Error
Windows Update 0x80070005 Permission Error Guide
How to Fix Chrome Sync for Family Link Managed Accounts
Firefox PR_CONNECT_RESET_ERROR Antivirus Fix
Node.js Heap Out of Memory in Production: Practical Fixes
Windows Search Not Finding Files? Fix Indexing
Docker Container Exits Immediately with Volume Mount – Fixes
Working Around pip's Externally Managed Environment
When to Use --allow-unrelated-histories in Git
Why Chrome Extensions Won't Load and How to Fix It
How to Stop Antivirus from Blocking Chrome Extensions
Fixing Docker Build Context Canceled Error
Windows Update 0x80070005 Permission Error Guide
How to Fix Chrome Sync for Family Link Managed Accounts