http://bugs.winehq.org/show_bug.cgi?id=28972
--- Comment #1 from Hans Leidekker hans@meelstraat.net 2011-11-02 03:37:50 CDT --- Created attachment 37255 --> http://bugs.winehq.org/attachment.cgi?id=37255 msi: GetComputerNameW returns ERROR_BUFFER_OVERFLOW when the buffer is too small.
Does this help?