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...

How to View Windows Defender Logs in Event Viewer

If you suspect Windows Defender missed a threat or want to review past detections, the logs are s...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Update Sync Issues Between Devices

When Windows updates fail to sync between your devices—for example, a feature update installed on...

Fix Microsoft Teams Mic Not Working with External Microphone

You plug in an external microphone, but Microsoft Teams still won't pick up your voice. This is a...

Fix Git SSL Certificate Problems: Practical Steps

If you see errors like fatal: unable to access 'https://...': SSL certificate problem: unab...