VMware Tools Help : Updating and Changing Installed Modules : Uninstall VMware Tools

Uninstall VMware Tools
Occasionally, an update of VMware Tools is incomplete. You can usually solve the problem by uninstalling VMware Tools and then reinstalling.
Procedure
On Windows 7 guests, use the operating system's Programs>Uninstall a program item.
What to do next
Reinstall VMware Tools.