The installer has detected an existing installation of open-vm-tools packages 
on this system and will not attempt to remove and replace these user-space 
applications. It is recommended to use the open-vm-tools packages provided by 
the operating system. If you do not want to use the existing installation of 
open-vm-tools packages and use VMware Tools, you must uninstall the 
open-vm-tools packages and re-run this installer.
The packages that need to be removed are:
open-vm-tools
The installer will next check if there are any missing kernel drivers. Type yes
if you want to do this, otherwise type no [yes]