Checklists for software errors, setup, and tool workflows.

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How to Set the PowerShell Module Path

When you install a custom PowerShell module or a third-party one, PowerShell needs to know where ...

How to Restore Windows Security Missing from Start Menu

If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...

Fix Windows Security 'Permission Denied' Error When Settings Won't Open

You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

Fix MongoDB Authentication Failed Permission Denied Error

You connect to MongoDB and get Authentication failed or Permission denied

Command Prompt High CPU Usage: Sysadmin Checklist
When Command Prompt (cmd.exe) consumes excessive CPU, it often indicates a runaway batch script, ...