Checklists for software errors, setup, and tool workflows.

Fix Task Scheduler 'Access Denied' When Running as Admin

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...

Setup Task Scheduler to Auto Start a Program on Boot

You want a program to launch automatically every time Windows starts. While the Startup folder wo...

Fix Windows Update Stuck After Clean Install of Windows 10

You've just done a clean install of Windows 10, but Windows Update is stuck, won't check for upda...

Fix Windows Defender Blocked by Group Policy Permission Denied

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

Checklist to Diagnose Chrome Profile High CPU Usage

If Chrome is using 90%–100% of your CPU even with just a few tabs open, the problem is often the ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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