Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Activation Blank Screen Stuck on Startup

You boot your PC and instead of the desktop, you see a blank screen with a Windows activation wat...

Fix Windows Update Service Not Running on Startup

If your PC gets stuck in an automatic repair loop and the Windows Update service is not running o...

Fix Microsoft Store Not Working After Windows Update

After a Windows update, you might find that the Microsoft Store won't open, apps fail to download...

Fix Microsoft Teams DNS Error 0xcaa20002

When launching Microsoft Teams, you may encounter error code 0xcaa20002, typically accompanied by...

How to Fix MongoDB Authentication Failed Error

You try to connect to MongoDB and get AuthenticationFailed or MongoError: Auth...

Microsoft Store High CPU Usage: Troubleshooting Checklist
You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...