Checklists for software errors, setup, and tool workflows.

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Fix Windows Update Connection Refused When Using VPN

If you see a "connection refused" error when running Windows Update while connected to a VPN, it'...

Enable Windows Defender After Disabling Third-Party Antivirus

If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...

Fix Windows Defender Missing After Update

After a Windows update, some users find that Windows Defender is missing from the system tray, Se...

Using Google DNS to Fix Windows Activation Error

If you're seeing a Windows activation error that says something like "We can't activate Windows o...

Fix MySQL Connection Refused in Docker Containers

You're running a Docker container that needs to connect to a MySQL database, but you get a ...

Fix High CPU Usage from Windows Activation Failure
You might notice your PC fan running loud or sluggish performance after a Windows update or hardw...