Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When you open the Windows Defender Configuration Tool and see a network error, it usually means t...

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...

When you try to run a PowerShell script and see an error like “cannot be loaded because r...

How to Fix Windows Security Dependency Conflict
If you see an error like 'There is a dependency conflict with Windows Security' or Windows Securi...

Fix Windows Terminal Update Stuck at 0%
Windows Terminal updates sometimes stall at 0% during download. This usually happens when the upd...

Windows Defender Setup Checklist for New PC
When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...