knowit-0.10-alt11.1.x86_64	freedesktop-categories	fail	Main Categories consist of those categories that every conforming desktop environment MUST support.(http://standards.freedesktop.org/menu-spec/latest/apa.html). None found in /usr/share/applications/knowit.desktop. please, fix. Menu-related Additional Categories (http://standards.freedesktop.org/menu-spec/latest/apa.html) not found in /usr/share/applications/knowit.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).; 
knowit-0.10-alt11.1.x86_64	freedesktop-desktop	warn	desktop-file-validate utility exited abnormally with the following message(s): /usr/share/applications/knowit.desktop: error: file contains line "Categories-KDE;Office", which is not a comment, a group or an entry; /usr/share/applications/knowit.desktop: warning: value "knowit -caption "%c" %i %m  " for key "Exec" in group "Desktop Entry" contains a deprecated field code "%m";