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 11 Update Stuck at 0% – BITS Service Issues
You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...
Docker Build Context Canceled: Checklist and Fixes
You run docker build and see context canceled before the build finishes...
Fix Nginx Upstream Connection Refused in Docker
You have Nginx running, either on the host or in a container, proxying to another Docker containe...
Fix ERR_NAME_NOT_RESOLVED on Windows 10
Seeing ERR_NAME_NOT_RESOLVED in Chrome on Windows 10 means your browser can'...
How to Fix Cloudflare 521 Error with Firewall Settings
If you see a 521 Web Server Is Down error when visiting your site through Cloudf...
Issue queue
SitemapMac M1 Docker Engine Failure: How to Restart
Cloudflare Full Strict SSL Redirect Loop Solution
Fix Chrome Hardware Acceleration Black Screen on External Monitor
Troubleshooting Webpack Configuration for npm build
Fix Node.js Heap Out of Memory in Docker Containers
How to Break the Windows Explorer Automatic Repair Cycle
Chrome Safe Mode Certificate Error Fix Guide
Resolve pip Externally-Managed-Environment for venv on Linux
Troubleshoot Docker Network Not Found for Containers
Git Push Rejected Non Fast Forward Fix
How to Fix DNS Probe Finished NXDOMAIN
Windows Update Service Not Running in Windows 11: Fix It
Cloudflare Full Strict SSL Redirect Loop Solution
Fix Chrome Hardware Acceleration Black Screen on External Monitor
Troubleshooting Webpack Configuration for npm build
Fix Node.js Heap Out of Memory in Docker Containers
How to Break the Windows Explorer Automatic Repair Cycle
Chrome Safe Mode Certificate Error Fix Guide
Resolve pip Externally-Managed-Environment for venv on Linux
Troubleshoot Docker Network Not Found for Containers
Git Push Rejected Non Fast Forward Fix
How to Fix DNS Probe Finished NXDOMAIN
Windows Update Service Not Running in Windows 11: Fix It