http://bugs.winehq.org/show_bug.cgi?id=10572
--- Comment #8 from Dmitry Timoshkov dmitry@codeweavers.com 2010-11-29 09:50:59 CST --- (In reply to comment #7)
[Strings] DESTINATION="PROGRA~1\VViewer"
vviewer.msi is installed in "C:\Program Files\VViewer" on Windows, so it looks like Wine fails to expand the destination filename.
This is probably a wontfix, short directory name "PROGRA~1" is not guaranteed to expand to "Program Files" even under Windows.