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

Fixing GitHub Actions Permission Denied for Git Commands

How to Restart Remote Desktop Service from Command Line

If you need to restart the Remote Desktop service on a Windows machine—perhaps because users can'...

Fix Outlook Authentication Failed When Sending Email

If you get an authentication failed error when sending email in Outlook, the problem is usually a...

Fix Microsoft Store 'Port Already Allocated' Error via Firewall

When launching the Microsoft Store, you may see an error like 'Port already allocated' o...

Fix Windows Activation Error 0xc004c003 After Hardware Change

If you see error 0xc004c003 after upgrading your PC's motherboard, CPU, or other major hardware, ...

Windows 10 Activation Stuck on Checking Internet Connection

You're trying to activate Windows 10, but the activation screen keeps spinning on "Checking your ...