According to the Moka5 official blog site, they announced a new release of their moka5 Engine for Windows Beta 17. 

This version has a few new features they are proud of:

• Run as non-Administrator: You asked for it, you got it! In certain situations you can now run moka5 Engine from a limited-access guest account.
• Improved disk performance: Your LivePCs will now run even smoother, especially during heavy disk activity.
• USB hot-unplug support: moka5 Engine is now more tolerant of sudden disconnections when running from a USB device.
• VMPlayer 2.0 now bundled: moka5 Engine now comes bundled with the latest release of VMPlayer, which includes better support for Windows Vista and USB 2.0.

Download it, here.