Checklists for software errors, setup, and tool workflows.

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Fix VirtualBox Kernel Driver Not Installed Error

When you try to start a virtual machine in VirtualBox and see "Kernel driver not installed (rc=-1...

Fix Chrome Authentication Failed on Windows 10

If Chrome keeps showing 'Authentication failed' when you try to sign in or sync on Windows 10, th...

Fix PowerShell Service Unavailable Error on Windows

You're running a PowerShell command and get a red error: "Service unavailable". ...

Fix Microsoft Store High CPU Usage on Windows 11

You open Task Manager and see Microsoft Store eating 20-30% CPU, even when you're not using it. T...

Fix Go Proxy Not Working with Private Repository

When you run go get or go mod download and get errors like 410 Go...

How to Enable Windows Update via Command Line Tools
If Windows Update is disabled or not working, you can enable it using command-line tools. This ar...