Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...

You see an error that Windows activation failed to start sync with your Microsoft account. This u...

After a Windows Update, you might open Windows Security and see a spinning circle or a blank page...

When Task Scheduler fails to start a task and returns error 2147943785 (0x800710D9), the task usu...

You open IntelliJ IDEA, try to create or import a project, and get an error like “JDK not fou...

Fix Windows Update Version Mismatch: Setup Guide
You see an error like 'Windows Update version mismatch' or 'The update is not applicable to your ...