Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix OneDrive High CPU Usage After Update

After a recent update, you might notice OneDrive using an unusual amount of CPU, slowing down you...

How to Fix Microsoft Teams Loading Issues (Error Code)

If you see an error code when Microsoft Teams loads, or the app gets stuck on the loading screen,...

Fix Windows Activation Authentication Failed via Command Prompt

If you see 'Windows activation authentication failed' when trying to activate Windows, the issue ...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Fix Chrome SSL Certificate Error on Windows 10

You open Chrome on your Windows 10 PC and see a warning like "Your connection is not private"...

Fix Microsoft Teams Authentication Failed Due to Proxy
If you see 'Authentication failed' when launching Microsoft Teams and you're behind a corporate p...