Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the conn...

When you try to connect to a Windows machine via Remote Desktop and get an error about the servic...

You try to connect to a remote PC and get an Authentication failed error, even t...

You open Event Viewer and see Event ID 101 under TaskScheduler with a message about an invalid co...

If you have a scheduled task that calls a URL or web service and you see a 504 Gateway Ti...

How to Fix Windows Update Configuration Hangs
When Windows Update hangs on "Checking for updates" or "Configuring updates," it can leave you st...