dhewm3-1.5.2-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/org.dhewm3.Dhewm3.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).; Qt).; dhewm3-1.5.2-alt1.x86_64 freedesktop-desktop warn desktop-file-validate utility exited abnormally with the following message(s): /usr/share/applications/org.dhewm3.Dhewm3.desktop: error: value "dhewm3 "$@"" for key "Exec" in group "Desktop Entry" contains a non-escaped character '$' in a quote, but it should be escaped with two backslashes ("\\$"); wo backslashes ("\\$");