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

How to Set Up Windows Update for an Ubuntu Virtual Machine

If you run a Windows virtual machine (VM) on an Ubuntu host, you might notice that Windows Update...

How to Run Windows Security Features on Ubuntu

If you need to run Windows-specific security features—like Windows Defender, Windows Firewall, or...

Fix Windows Security Certificate Error in Outlook 365

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...

Resolving npm Dependency Conflicts After an Update

Fix npm command not found without sudo

You type npm install and get npm: command not found. This usually means...

Fix Command Prompt Authentication Failed in Windows 10

If you see 'authentication failed' when using Command Prompt in Windows 10, it usually means your...