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

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Windows Store App Downloads Not Starting – Fixes That Work

You click install, but the download bar never moves. Maybe it shows “Pending” or just freezes. Th...

Fix npm ERR! code EACCES Permission Denied Error

If you see npm ERR! code EACCES or Error: EACCES: permission denied whe...

Fix BitLocker High CPU Usage in Windows 10

If your Windows 10 system feels sluggish and Task Manager shows BitLocker-related processes (like...

How to Clear PowerShell Console History and Cache

PowerShell retains console history and caches commands for convenience, but sometimes you need a ...

Windows Update High CPU Usage Troubleshooting Checklist