Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...

Developers often hit snags when setting up FFmpeg for the first time or on a new machine. This ch...

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

If you're seeing a download in the Microsoft Store stuck at 0% or a partial percentage on your Ma...

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

You're trying to activate Windows 11 and see an error like "Activation rate limit reached" or "To...