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 DNS Probe Finished NXDOMAIN Not Working on WiFi
If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...
How to Fix Git Detached HEAD State and Undo Changes
You run git status and see something like "HEAD detached at abc123". This ha...
Docker Container Exits Immediately on Linux: Fixes
You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...
How to Set npm Prefix to Avoid Permission Denied Errors
If you've seen EACCES: permission denied when running npm install -g
Increase Git Timeout for Large Repositories
When cloning or fetching a large repository, Git may time out before the transfer completes. This...
Issue queue
SitemapResolve Cloudflare 521 Error (Port 443 Blocked)
Docker Desktop Engine Keeps Crashing Fix
Fix Firefox Secure Connection Failed Due to Proxy Settings
Chrome Sync Not Working on Mac: Fixes That Actually Work
Windows Update Service Missing from Services.msc: Fixes
Troubleshoot Windows Update Service Failure After Update
Why Cloudflare DNS Changes Aren't Propagating
Windows Security Broken After Reset? Here's How to Fix It
Fix Nginx 502 Bad Gateway in Docker Containers
Wildcard Subdomain CNAME Configuration on Cloudflare
Recover from Windows 11 Update Blue Screen with System Restore
How to Fix Remote Desktop Connection Timed Out Error
Docker Desktop Engine Keeps Crashing Fix
Fix Firefox Secure Connection Failed Due to Proxy Settings
Chrome Sync Not Working on Mac: Fixes That Actually Work
Windows Update Service Missing from Services.msc: Fixes
Troubleshoot Windows Update Service Failure After Update
Why Cloudflare DNS Changes Aren't Propagating
Windows Security Broken After Reset? Here's How to Fix It
Fix Nginx 502 Bad Gateway in Docker Containers
Wildcard Subdomain CNAME Configuration on Cloudflare
Recover from Windows 11 Update Blue Screen with System Restore
How to Fix Remote Desktop Connection Timed Out Error