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 Windows Defender Update Failed Errors

When Windows Defender fails to update its virus definitions, you may see error codes like 0x80240...

Firefox Not Responding: Clean Reinstall Guide

If Firefox freezes, crashes, or shows a "not responding" message repeatedly, a clean reinstall ca...

Install NuGet Provider Manually Without Internet

Fix Microsoft Store Rate Limit Error When Downloading Apps

You try to download an app from the Microsoft Store, but instead of progress, you see a message a...

Outlook Crash on Startup Safe Mode Troubleshooting

If Outlook crashes immediately upon opening, you're not alone. This is often caused by a faulty a...