Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Version Mismatch After Hardware Change

After swapping out a motherboard or other major hardware, you might see an error that Windows act...

Fix Windows Search Returning 404 Not Found Error

When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...

How to Re-enable Windows Defender Real-Time Protection

If you've disabled Windows Defender real-time protection—perhaps to run a specific tool or becaus...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Startup Repair Login Loop After Update

You sign in, see "Preparing Windows" or a spinning circle, then get dumped back to the login scre...

Microsoft Store Not Working After Update: Troubleshooting Checklist

After a Windows update, the Microsoft Store may fail to open, load slowly, or display errors like...