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

Fix Windows Search Not Working on Ubuntu via VirtualBox

If you run Windows on Ubuntu—either through VirtualBox or as a dual boot—you might find that Wind...

Fix Microsoft Store High CPU Usage After Update

After a Windows update, you might notice that Microsoft Store consumes an unusual amount of CPU, ...

How to Reinstall Windows Security in Windows 10

If Windows Security is missing, not opening, or showing errors, you can reinstall it without thir...

Fix Windows Security Authentication Error 0x80070035

How to Fix Slow Windows Defender Scan Speed

If your Windows Defender (Microsoft Defender Antivirus) scan is taking much longer than usual—som...

Chrome Browser Proxy Error Fix Checklist

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy errors, you usually can't browse t...