(How can support tell it is fine if it crashes randomly?)
The Demo Song and Prehear function are known to possibly crash the DSPs. Thus they should be avoided.
I don’t know whether Windows 10 is officially supported. If not, then you may have to use an older system. However, I think I installed the Virus software on a Win10 machine a couple of years ago. Haven’t been to that studio in quite a while, so can’t tell exactly what version.
Regarding Behringer: They clone analog gear which is out of production for decades. The Virus is neither.