[Bug 18771] New: Switching desktops or minimizing desktop makes application disappear

http://bugs.winehq.org/show_bug.cgi?id=18771

Summary: Switching desktops or minimizing desktop makes
                    application disappear
           Product: Wine
           Version: 1.1.19
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: [e-mail]
        ReportedBy: [e-mail]

Running GMX SMS Manager
http://appdb.winehq.org/objectManager.php?sClass=application&iId=4824 which is
embedded in the taskbar (KDE 3.5.10, OpenSUSE 11.1). Once the SMS-Window is
open,and I 
- switch desktop to desktop 2,3,4, or
- minimize all applications to show desktop
the GMX application window disappears. The application still runs in the
taskbar, but if I right-click -> Open SMS-Manager nothing happens. Have to
close and restart the application.