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

Fix High CPU Usage by MsMpEng.exe (Windows Defender)

If your system feels sluggish and Task Manager shows MsMpEng.exe using 30–100% CPU, Windows Defen...

Fix NVM Not Found in Git Bash on Windows

Unlock BitLocker Drive from Command Line Without Recovery Key

If you have a BitLocker-encrypted drive that is locked and you need to access it without the grap...

How to Fix Microsoft Teams Cache Clear Not Working

If you've tried clearing the Microsoft Teams cache through the app's settings or by deleting the ...

Windows Defender Best Settings for Maximum Security

If you want to lock down Windows Defender without causing constant false alarms or breaking every...

Fix Windows Defender Update Error 0x80070643

You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...