http://bugs.winehq.org/show_bug.cgi?id=21276
--- Comment #11 from Juan Lang juan_lang@yahoo.com 2010-01-08 14:42:13 --- A quick Google search for UuidCreateSequential shows that some people have tried to use it to find the machine's MAC address: http://www.codeproject.com/KB/cpp/softwarekey.aspx http://www.tech-archive.net/Archive/VC/microsoft.public.vc.mfc/2008-09/msg00... http://www.codeguru.com/cpp/i-n/network/networkinformation/article.php/c5451...
It seems probable that some app somewhere depends on this.