http://bugs.winehq.org/show_bug.cgi?id=15263
--- Comment #30 from Ben Hodgetts (Enverex) ben@atomnet.co.uk 2009-02-06 11:10:44 --- The bug is titled "Cannot install games in Steam (requires opening new iexplore window)" which is correct. Please read the actual full thread in future, not just (part of) the title.