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

VirtualBox Kernel Driver Installation Checklist

When VirtualBox fails to start a virtual machine with an error like “Kernel driver not installed”...

Fix Windows Update Token Expired Registry Error

If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...

How to Fix Microsoft Store App Installation Permission Denied

When you try to install an app from the Microsoft Store and get a 'permission denied' error, it u...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

How to Fix Outlook DNS Error When Sending Email

You're composing an email in Outlook, hit Send, and get an error like "Your server does not suppo...

MongoDB Compass Not Connecting to Mongod Server: Fixes

You open MongoDB Compass, enter your connection string, and get an error. The server is running, ...