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...

Reset Microsoft Store Using wsreset Command

Edge Browser Crashing on Startup in Windows 10 – Fixes

If Microsoft Edge crashes immediately when you open it on Windows 10, you're likely seeing a blan...

How to Remove a Lock File Blocking Ubuntu apt update

When running sudo apt update on Ubuntu, you may see an error like:
E: Could...