http://bugs.winehq.org/show_bug.cgi?id=18291
--- Comment #1 from Juan Lang juan_lang@yahoo.com 2009-04-30 11:02:31 --- (In reply to comment #0)
Quicktime 4 uninstaller fails, apparently ignoring \ in the command line (created by the shortcut).
I assume this is the Wine-created shortcut?
So maybe if everything after wine <app.exe> was passed to <app.exe> "as-is", this would work?
It looks like there's a bug in escaping somewhere. Did you install the app with 1.1.20? If not, please create a clean WINEPREFIX and do so.