Dijkgraaf - 1:50 am on May 30, 2013 (gmt 0)
1) It probably was based on a technology that only works in Windows, which even Microsoft then stopped using (e.g. Microsoft Java Virtual Machine [en.wikipedia.org...] )
2) If it was based on such an obsolete technology, then it would not be a small task to upgrade it.
3) Probably. Ask them why it only works in IE8.