Microsoft has been fined 561 million euros ($731m) for failing to promote a range of web browsers, rather than just Internet Explorer, to users in the European Union (EU).
It introduced a Browser Choice Screen pop-up in March 2010 as part of a settlement following an earlier EU competition investigation.
But the US company dropped the feature in a Windows 7 update in February 2011.
Microsoft said the omission had been the result of a "technical error". Read BBC Article