http://bugs.winehq.org/show_bug.cgi?id=2432
------- Additional Comments From richard@daijobu.co.uk 2005-18-10 05:55 ------- James, I can reproduce your problem & have updated http://wiki.winehq.org/NativeMsi
You need to remove the msiexec.exe link in ~/.wine/drive_c/windows/system32