Checklists for software errors, setup, and tool workflows.

How to Fix Windows Activation Authentication Failed Error

You see "Authentication failed" when trying to activate Windows. This usually happens after a har...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Search 404 Not Found Error via Registry

If Windows Search returns a '404 Not Found' error when you try to open the search pane or run a q...

Fix SearchIndexer.exe Version Mismatch on Windows 10

If you see an error saying SearchIndexer.exe has a version mismatch on Windows 1...

Fix Chrome Profile Permission Denied Error

When Chrome shows a 'Permission Denied' error related to your user profile, it usually means the ...

How to Clear Windows Security Threat History That Won't Delete

You've resolved a virus or malware issue, but the threat history in Windows Security still shows ...