Here’s a quick tip/solution on how to shut down your VMWare Workstation 10 and 11 Virtual Machines if you’re using the Windows 10 Tech Preview (basically all builds, but only tested on 9879).
Currently if you’re using Windows 10 Tech Preview as your host operating system and if you’re trying to shut down a VMWare Workstation Virtual Machine you will crash Windows 10, and potentially corrupt your machine and virtual machines.