This bug has been resolved in Xubuntu 12.10, xfce-panel 4.10.0; however, for the record, I've attached the desktop file, which was causing the problem.
** Attachment added: "arduino.desktop" https://bugs.launchpad.net/ubuntu/+source/xfce4-panel/+bug/1026058/+attachment/3416792/+files/arduino.desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1026058 Title: Applications Menu .desktop item with category Electronics creates an uneditable sub-menu Electronics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xfce4-panel/+bug/1026058/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
