I don't think that should be an excuse for things not working, especially when the third party installer is NVIDIA's official installer. Macs and Windows don't

I don't think that should be an excuse for things not working, especially when the third party installer is NVIDIA's official installer. Macs and Windows don't break when you install NVIDIA official drivers. Ubuntu breaks because nvidia cuda-10.0 installs nvidia-450 which fights with Ubuntu which wants to install nvidia-460 with the latest kernel, which also breaks virtualbox's official repo IN the Ubuntu repo. So either the kernel breaks or cuda and virtualbox breaks. In any case, I as a user shouldn't have to worry about stupid things like this.