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Unity does not work on Ubuntu 17.10 but Xorg did - could be versions of unity.
You may need to change window managers for Ubuntu. When you login click the cog icon to see which managers are available(others can be installed...
...Or maybe give people a big warning not to upgrade to latest kernel on your Linux VM. Most distros will be on 4.15 soon !!! (4.16 is already...
You may also consider tweeking a few virtual machine settings: On the CPU and memory section of the hardware tab make sure the following options...
The issue with graphics in parallels (and windows as the Guest OS) is that currently the feature set of direct x 11 and 12 is not implemented....
FIX HERE !!!! vvvvv All you need to do is to download the iso from this link (4GB file but I gather this is what you would have got if everything...
