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

Fix VirtualBox Kernel Driver Not Installed on Windows 10

How to Grant Full Access to a PowerShell Script

When you try to run a PowerShell script and get an access denied error or a message about executi...

Windows Defender Real-Time Protection Rate Limit Error Fix

You may see a notification that Windows Defender real-time protection has a rate limit error, oft...

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Chrome Profile Missing After Update: Recovery Steps

After a Chrome update, you might find your profile—bookmarks, history, passwords, extensions—seem...

How to Fix Windows Security Module Not Found Error

You open Windows Security and see "Module not found" or a blank interface. This usually means a c...