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 Git Push Rejected Non Fast Forward Error
You try to push your local commits to a remote repository and get: ! [rejected] —
How to Fix Firefox Secure Connection Failed Error
When Firefox shows 'Secure Connection Failed' and won't load a site, it usually means...
Fix DNS Probe Finished NXDOMAIN After Changing DNS
After updating your DNS settings—perhaps to use Google Public DNS or Cloudflare—you might see the...
Fix Chrome Crash on Startup Due to Corrupt User Profile
If Chrome crashes immediately when you open it, or shows a warning that your profile may be corru...
Fix ERR_CERT_AUTHORITY_INVALID on Localhost
When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...
Issue queue
SitemapResolve Cloudflare Wildcard Redirect Loop Issue
Chrome Startup Crash Fix: Hardware Acceleration
Resolve Permission Denied During Git Merge
Windows 10 Chrome Memory Leak Fix Guide
Docker Nginx Volume Permission Denied Fix
How to Fix Git Push Rejected Non Fast Forward
Windows 11 Python Command Not Found Guide
Taskbar Icons Disappeared? Quick Fixes That Work
Handling Large Files in Python on Mac Without Memory Errors
Windows 11 Not Detecting Bluetooth Device: How to Fix
VS Code Terminal Not Opening? Try These Fixes
Fix Chrome Status Access Violation in Safe Mode
Chrome Startup Crash Fix: Hardware Acceleration
Resolve Permission Denied During Git Merge
Windows 10 Chrome Memory Leak Fix Guide
Docker Nginx Volume Permission Denied Fix
How to Fix Git Push Rejected Non Fast Forward
Windows 11 Python Command Not Found Guide
Taskbar Icons Disappeared? Quick Fixes That Work
Handling Large Files in Python on Mac Without Memory Errors
Windows 11 Not Detecting Bluetooth Device: How to Fix
VS Code Terminal Not Opening? Try These Fixes
Fix Chrome Status Access Violation in Safe Mode