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...

GitHub Actions YAML Syntax Error: How to Fix

You push a workflow file and see a red X—YAML syntax error. The action doesn't run. Here's how to...

Chrome Profile Troubleshooting Checklist

If Chrome won't open, displays a profile error, or loses your bookmarks and extensions, the profi...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Outlook Sync Stuck by Clearing Cache

If Outlook stops syncing emails, calendar, or contacts, a corrupted cache is often the culprit. T...

How to Fix Windows Defender Threat Service Stopped

If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...