Checklists for software errors, setup, and tool workflows.

Fix Windows Security Service Stopped Working in Windows 10

If you see a notification that the Windows Security service has stopped working, your antivirus o...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Windows Update Checklist After Clean Install

After a clean install of Windows, you may find that Windows Update fails, hangs, or takes forever...

Fix Microsoft Store Not Responding or Slow Startup on Windows 10

If the Microsoft Store takes forever to open, freezes on startup, or shows a blank white screen o...

Fix 'Windows Defender Firewall Has Blocked' Error

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

How to Fix Windows Activation SSL Certificate Error

If you see an error like "SSL certificate problem" or "There was a problem with the activation se...