Versions that works

[holocen]

Project is outdated, it's hard to find versions which works. This worked for me:
mBlock 3.4.11 https://www.mblock.cc/previous-versions/
V-REP 3.6.2 https://www.coppeliarobotics.com/previousVersions
Virtual Serial Ports Emulator 1.1.5.458 http://www.eterlogic.com/Products.VSPE.html