http://bugs.winehq.org/show_bug.cgi?id=32554
--- Comment #4 from Austin English austinenglish@gmail.com 2013-01-08 22:05:37 CST --- (In reply to comment #1)
To fix winetricks, one needs to move 'dotnet20sp1' into 'load_dotnet30sp1' recipe (remove from 'load_dotnet35').
Fixed, thanks: https://code.google.com/p/winetricks/source/detail?r=932