Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Windows Defender (Microsoft Defender Antivirus) is missing, disabled, or not working correctly...

You try to connect to your Azure VM with Remote Desktop and get a 504 Gateway Timeout

Fix OneDrive Sync Not Connecting After Update
After a Windows or Office update, OneDrive may stop syncing and show errors like "Can't connect t...

Fix Windows Terminal Not Asking for Credentials
If Windows Terminal stops prompting for your credentials when you open a new tab or connect to a ...

Fix OneDrive Sync Frozen After macOS Update
After a macOS update, you might notice OneDrive shows "Processing Changes" or "Sync paused" and n...

How to Enable Windows Defender Service Manually
If Windows Defender won't start or you see warnings that it's turned off, the underlying service ...