http://bugs.winehq.org/show_bug.cgi?id=29358
--- Comment #5 from Dmitry Timoshkov dmitry@baikal.ru 2012-01-15 01:56:41 CST --- I'd guess this is an application bug described in the bug 13152, i.e. it calls oleaut32.SysFreeString(), and the "freed" memory stays in the oleaut32 cache, while it's freed immediately in Wine's oleaut32.