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

How to Fix Windows Defender Blank Screen Issue

If you open Windows Defender (now called Windows Security) and see only a blank white or black sc...

Fix Windows Update Version Mismatch After Upgrade

After a Windows upgrade, you might see an error saying the update version doesn't match your syst...

How to Fix Docker Desktop WSL Integration Not Working

You've installed Docker Desktop, enabled WSL 2, but containers won't start or the Docker icon sho...

Fix 'Windows Security Module Not Found' Antivirus Error

If you see a message like "Windows Security module not found" inside your third-party antivirus p...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

How to Fix Windows Activation Error 0xc004c003 After Motherboard Swap

After replacing your motherboard, Windows may show activation error 0xc004c003. This means the ac...