http://bugs.winehq.org/show_bug.cgi?id=10018
--- Comment #23 from Megabyte mega.watt2@gmail.com 2007-11-14 10:34:34 --- Ok, so that translates to chmod 0660.
Anyway, there are a few caveats I'd like to list here. First is that "Windows version" must be set to Windows XP at winecfg, otherwise that dialog doesn't show, and only Photoshop CS2 will work - Image Ready and Adobe Bridge won't. Maybe I'll file against these two?