On Fri, 3 Aug 2018 at 10:17, <phil-deb1.merlin@laposte.net> wrote: > > Since last update Debian Sid AMD64 Kontact or Kmail does not start i have this message if i start from Konsole . > [2895:2895:0803/143352.462637:ERROR:zygote_host_impl_linux.cc(90)] Running as root without --no-sandbox is not supported. See https://crbug.com/638180. You seem to be running it as root, which is clearly unsuported.