It is the first thing you need to fix the issue as stated above. For that, you need to run the virtual machine showing the error and go to the Devices > Install Guest ...
I currently have a license for Fusion 3, but it doesn't really work so well on 10.8. On Linux I was using VMWare Player for running Windows programs as needed, and it kind of irks me that they don't ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results