http://bugs.winehq.org/show_bug.cgi?id=26124
--- Comment #3 from Nikolay Sivov bunglehead@gmail.com 2013-08-06 00:32:02 CDT --- It's not really obvious to me why it leaks, msi part looks fine (I think it's about CreateShortcuts action). Instead of fixing a leak I got a series of cleanup patches for shell32 :/