Checklists for software errors, setup, and tool workflows.

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Search: Connection Refused, Service Not Running

If you see 'connection refused' or 'service not running' when using Windows Search, the search se...

How to Fix Windows Defender Connection Refused Error

If you see a 'connection refused' message when opening Windows Defender or updating virus definit...

How to Fix Windows Update Error 502 Bad Gateway

Windows Update may show a 502 Bad Gateway error when the update service cannot reach Microsoft's ...

Microsoft Store Not Opening in Windows 10: Practical Fixes

If you click the Microsoft Store icon and nothing happens—no window, no error—you're not alone. T...