Knowledge base for software setup, errors, and daily tool work.

Fix Windows 11 Blue Screen After Update Using Compatibility Mode

You installed a Windows 11 update, rebooted, and hit a blue screen. This often happens when a dri...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix npm install Permission Denied When Using nvm

If you see 'EACCES: permission denied' when running npm install while using ...

npm run build Failed: Troubleshooting Checklist

When npm run build fails, the error message can be cryptic. This checklist walks thr...

Fix Virtual Environment Not Activating in Terminal

Why Your Virtual Environment Won't Activate

You open a terminal, navigate to your pro...

Fix ERR_NAME_NOT_RESOLVED on All Sites in Chrome

If Chrome shows ERR_NAME_NOT_RESOLVED on every site you visit, it means your bro...