Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fixing npm Dependency Conflicts from Duplicate Packages

You run npm install and see warnings about unmet peer dependencies or conflicting ve...

Fix Windows Defender Port Already Allocated Error in Command Line

If you see "port already allocated" when trying to run Windows Defender from the command line, it...

Fix Windows Update Cleanup Stuck Using Command Prompt

You ran Disk Cleanup to clear Windows Update files, but it sits at 'Working on updates' for hours...

Fix VMware Workstation Network Adapter Not Working on Linux Host

If you're running VMware Workstation on a Linux host and your virtual machine's network adapter s...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...