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 notesPython Virtual Environment Not Activating on Mac: Fixes
You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...
Fix Git Authentication Failed in VS Code on Linux
You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...
Cloudflare DNS Not Propagating to All Nameservers: Common Fixes
You changed a DNS record in Cloudflare, but some resolvers still show the old value while others ...
Fix Nginx 502 Bad Gateway with Docker and PHP-FPM
You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...
Fix Windows 11 Setup Stuck at 99%
You're installing Windows 11 and the progress bar hangs at 99% for a long time. This is a kno...
Issue queue
SitemapPython venv Activation Not Working: Step-by-Step Guide
Fix Python Requests Hanging with Timeout Example
Antivirus Causing ERR_NAME_NOT_RESOLVED – Solutions
How to Fix Git Clone Timed Out and Permission Denied Errors
Docker Network Not Found & Permission Denied Fix
Chrome Sync Not Working After Disabling Extensions: Fixes
VS Code Git Not Reflecting .gitignore Changes
How to Reset Bluetooth on Windows 11
Windows Defender Disabled by Malware: Recovery Steps
Resolve 'Remote Origin Already Exists' in Git Clone
Nginx Cloudflare Redirect Loop Troubleshooting
Fixing Python Memory Errors When Generating Large Files
Fix Python Requests Hanging with Timeout Example
Antivirus Causing ERR_NAME_NOT_RESOLVED – Solutions
How to Fix Git Clone Timed Out and Permission Denied Errors
Docker Network Not Found & Permission Denied Fix
Chrome Sync Not Working After Disabling Extensions: Fixes
VS Code Git Not Reflecting .gitignore Changes
How to Reset Bluetooth on Windows 11
Windows Defender Disabled by Malware: Recovery Steps
Resolve 'Remote Origin Already Exists' in Git Clone
Nginx Cloudflare Redirect Loop Troubleshooting
Fixing Python Memory Errors When Generating Large Files