http://bugs.winehq.org/show_bug.cgi?id=4700
------- Additional Comments From tony.lambregts@gmail.com 2006-11-03 14:12 ------- Getting logs is described in detail in the following link http://www.winehq.org/site/docs/wineusr-guide/bug-reporting#AEN1126
The quick way is this (does not echo in your terminal)
WINEDBUG="+msi" wine exe/you/want/to/run.exe &> debug.log
To attach the log use the following link: http://bugs.winehq.org/attachment.cgi?bugid=4700&action=enter