Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Microsoft Store won’t open on your Windows 10 PC – clicking the icon does nothing, or it flash...

If you see 'service unavailable' when running commands in Command Prompt, and you don't have admi...

When you type a command in Windows 10 Command Prompt and see 'The system cannot find the path spe...

If Microsoft Teams is using 50% or more of your CPU, you're not alone. This is a common issue, es...

You run npm install and get an error like EACCES: permission denied, mkdir '/u...

Fix Windows Search 502 Bad Gateway Error Code
You may see a 502 Bad Gateway error when using Windows Search, especially if you rely on web sear...