Checklists for software errors, setup, and tool workflows.

How to Resolve Port Conflicts with Windows Defender Firewall

You're trying to run a local server or application, but it fails to start because the port is alr...

Fix Windows Search Returning 404 Not Found in Command Prompt

If you see a "404 Not Found" error when using Windows Search from the Command Prompt, it usually ...

Fix Outlook High CPU Usage on Windows 10

If Outlook is slowing down your Windows 10 PC and showing high CPU usage in Task Manager, it can ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Microsoft Teams Authentication Loop After Update

After a recent update, you might find Microsoft Teams stuck in an authentication loop—signing in,...

Fix PowerShell Service Unavailable Error (Enable or Restart)

If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...