A group of European software developers is complaining that Microsoft uses a feature to block alternate operating systems on machines bought with Windows 8. The head of HispaLinux, the Linux system association making the claims against Microsoft, is calling Microsoft “absolutely anti-competitive.”

Separately, the European Commission hit Microsoft with a big fine this month for failing to live up to an agreement to offer Windows users in Europe a choice of Internet browsers.

Al Hilwa, an analyst at IDC in Seattle, joins Marketplace Tech host David Brancaccio to explain both sides of the dispute.