winswitch-0.12.21-alt1.x86_64	freedesktop-categories	warn	Menu-related Additional Categories (http://standards.freedesktop.org/menu-spec/latest/apa.html) not found in /usr/share/applications/winswitch.desktop. Please add it or report a bug against this test if you already have registered one (not including menu unrelated ones as Core or Qt).; 
winswitch-0.12.21-alt1.x86_64	freedesktop-desktop	warn	desktop-file-validate utility exited abnormally with the following message(s): /usr/share/applications/winswitch.desktop: error: value item "TrayIcon" in key "Categories" in group "Desktop Entry" is a reserved category, so a "OnlyShowIn" key must be included;