Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You see error 0x80070005 when creating or running a scheduled task. The message usually says "Acc...

If Windows Search returns results from folders you'd rather keep out of its index—like backups, t...

You launch Windows Terminal and see an error about a version mismatch—perhaps between the termina...

If you see a rate limit error in Windows Defender (Microsoft Defender Antivirus) that appears aft...

You try to connect to a remote Windows machine via Remote Desktop (RDP) and get: "An authenti...

How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...