Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to activate Windows, but after a long wait you see "We can't activate Windows right now. ...

After installing Microsoft Teams using the offline installer, some users find that the app opens ...

If Windows Search gets stuck on "loading results" or shows a spinning cursor indefinitely, it's u...

You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...

When you try to import or use a PowerShell module and get an error like Module not found

Fix Windows Defender Module Not Found Error 0x80070643
You see "Windows Defender module not found" with error code 0x80070643