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

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...

Fix Microsoft Teams Blank Screen by Disabling Hardware Acceleration

If Microsoft Teams shows a blank or black screen on startup or during a call, hardware accelerati...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

How to Fix Task Scheduler Dependency Conflicts During Sync

When a scheduled task fails to run or syncs incorrectly, a dependency conflict is often the cause...

Fix High CPU Usage by Antivirus Scanning PowerShell

If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...

Checklist for Windows Security Module Errors

When Windows Security (formerly Windows Defender) throws module errors, you might see messages li...