Mountain Lion 10.8.3 removed Rosetta. If you need legacy PPC apps, you cannot run them natively, but VMware Tools + QEMU user emulation can work (outside scope but worth noting).
Take a snapshot of your current VM state before installing VMware Tools. If the installation causes a kernel panic (a common occurrence with 10.8), you can easily revert. mac os x mountain lion 10.8.3 vmware tools
One popular method is to use the transMac software, which allows you to create a bootable Mac OS X installation ISO file on Windows. Simply download the software, insert a blank DVD or USB drive, and follow the on-screen instructions to create the installation media. Mountain Lion 10
C:\Program Files (x86)\VMware\VMware VIX\darwin.iso If the installation causes a kernel panic (a
Drag a small text file from your host desktop into the Mountain Lion desktop. This confirms the drag-and-drop service is active.