Checklists for software errors, setup, and tool workflows.

Fix 'Windows Security App Not Installed' on Windows 10

You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

Windows Security Stuck Loading: Practical Fix Checklist

Windows Security (formerly Windows Defender Security Center) sometimes gets stuck on a loading sc...

How to Fix 'Chrome File Locked by Sync' Error

If you see a 'file locked by sync' error in Chrome, your browser is trying to sync bookmarks, his...

Fix Windows Search Offline Installer Error 0x80072ee7

When you try to install Windows Search using an offline installer, you might see error 0x80072ee7...

How to Fix Certbot Nginx Plugin Not Found Error

When running Certbot to obtain an SSL certificate for an Nginx server, you might see an error lik...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...