Checklists for software errors, setup, and tool workflows.

Fix Error Installing Windows Security Offline Setup

You downloaded the Windows Security offline installer but get an error when trying to run it. Thi...

Fix Remote Desktop Error 0x204 After Windows Update

If you see error 0x204 when trying to connect to a remote desktop after a Windows update, the con...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Update Stuck on Checking for Updates with Connection Timeout

You click Check for updates, and Windows sits there spinning forever—sometimes for hours—before s...

Fix PHP Composer Install Memory Limit Fatal Error

When running composer install or composer update, you may see a fatal e...

Fix Windows Defender Threat Service Not Running Error

You open Windows Security and see a yellow warning: “Threat service has stopped. Restart it now.”...