Hello, Community!
I've found, that VirtualBox.rpm from official repos strangely contains two .desktop files - virtualbox.desktop (vanilla) and mageia-virtualbox.desktop
So, when I simply run an application, system tray has always broken icon. https://i.imgur.com/Wgx8vdb.png
Deleting mageia-virtualbox.desktop and use virtualbox.desktop instead, seems to solve an issue till update of the package.
Could you confirm this behaviour? I use VirtualBox 5.1.26 with up-to-date system.