Shutdown your virtual machine at this point
using the default for all prompts that the program gives you. Enter the subdirectory 'vmware-tools-distrib' and then enter the command sudo. Open a terminal window ( alt+ ctrl+ t) and navigate to the directory where you extracted the VMWare tools. tar.gz file will change with VMWare versions. In your Ubuntu installation, use the file manager to extract the contents of VMwareTools-10.0. from the CD to a directory on your Ubuntu installation. This will mount the CD containing the VMWare tools on your virtual machine. Start your Ubuntu virtual machine, and in the VM window, choose 'VM->Install VMWare Tools'.
Please note that open-vm-tools from the Ubuntu repositories does not currently support file sharing in Ubuntu.
If you have not installed the vmtools from the VMWare 'CD' for your Ubuntu guest, you will need to do so first.