http://bugs.winehq.org/show_bug.cgi?id=21030
--- Comment #2 from Saulius K. saulius2@gmail.com 2009-12-16 04:56:39 --- Thanks, Jeff
If there is a bug at all, it is that deleted apps don't return 404 not found.
Well, "cmd.exe" query returns different message [1], FWIW:
This entry has been deleted (class: application, id: 1196) Its content may have been moved to another entry
[1] http://appdb.winehq.org/objectManager.php?sClass=application&iId=1196