"Firefox will have the same issues as Flash and the Java applet platform - is the support for that programming model common? Corporates won't spend a lot of time investing in something that's only available on one platform," he said. "With a different API and plug-in strategy than IE, you would want to be really confident as a developer you are going to get take-up."
With the Windows upgrade cycle being roughly five years, Higgins believes it is not a big window for a competitor to steal market share.
"It's a big ask to say to people to turn around innovation on top of a commodity within five years and that's impressive about Firefox in itself," he said.