Bug confirmed for me with VirtualBox Version 6.0.4 r128413 (Qt5.6.1) on 4.4.0-143-generic #169-Ubuntu SMP Thu Feb 7 07:56:38 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Bug confirmed for me with VirtualBox Version 6.0.4 r128413 (Qt5.6.1) on 4.4.0-143-generic #169-Ubuntu SMP Thu Feb 7 07:56:38 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux