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

Fix Windows Update Invalid Configuration Error on Windows 10

You may see a 'Windows Update invalid configuration' error when trying to check for or install up...

Fix Microsoft Store App Version Mismatch Errors

You open a Microsoft Store app and get an error about a version mismatch, or the app won't start ...

Fix Firefox Secure Connection Failed on Windows 10

When Firefox shows "Secure Connection Failed" on Windows 10, it usually means the browser cannot ...

Fix Microsoft Store Token Expired Error

You open the Microsoft Store and see an error about an expired token. This usually means your aut...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix PowerShell Stuck on Loading PowerShell 7

You launch PowerShell 7, and the window shows “Loading PowerShell 7” indefinitely. The prompt nev...