June 2021 - 
Calypso Ventures, Inc. has announced that their MachStdMill (MSM) software has been set to End-Of-Life status. 
This could impact current licensees ability to continue to use MSM in the future (for example after a PC hardware failure). 
For more information, including what current license holders need to do maintain future us of MSM, please see this post on the CVI support site:
http://www.calypsoventures.com/forums/viewtopic.php?f=4&t=1039&p=2538#p2538David Bagby