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

Windows Defender and Ubuntu: Troubleshooting Checklist

If you're running Ubuntu through WSL or in a dual-boot configuration, Windows Defender can someti...

Fix Microsoft Store High CPU Usage & Error 0x80073cf0

You open the Microsoft Store, and your CPU fan spins up. Task Manager shows Store using 30-50% CP...

How to Restore Chrome Bookmarks from Backup

If you've lost your Chrome bookmarks after a crash, sync error, or accidental deletion, you can o...

MongoDB Authentication Failed: Administrator Checklist

Fix Windows Security DNS Error Blocking Internet Access

If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...

Fix Windows Defender Proxy Error 0x80070422

If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...