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

How to Set Up Windows Security Proxy Settings

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

Fix VirtualBox Kernel Driver Not Installed Error

When you try to start a virtual machine in VirtualBox and see "Kernel driver not installed (rc=-1...

Fix Windows Command Prompt Access Denied Error

You open Command Prompt, run a command, and get an 'access denied' error. This usually means the ...

Fix 'Windows Activation Key Not Accepted' Error

You enter a valid Windows product key and get an error saying it's not accepted. This is frustrat...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Fix Windows Activation Service High CPU Usage on Windows 10

If you notice your Windows 10 system running slowly and Task Manager shows high CPU usage from 'W...