Checklists for software errors, setup, and tool workflows.

Fix Windows Update Stuck by Running Disk Cleanup

If your Windows Update is stuck at a certain percentage or appears to be downloading forever, low...

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

Fix VSCode Debugger 'launch.json Not Found' Error

You open the Run and Debug view in VSCode, click the green play button, and get an error: "launch...

Fix Error Installing Windows Security Offline Setup

You downloaded the Windows Security offline installer but get an error when trying to run it. Thi...

Fix Microsoft Teams Invalid Configuration Sync Issue

You may see a persistent sync error in Microsoft Teams that says something like "invalid configur...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...