Hexa coding. unable to open the original CD

Hi everyone. This is my first post here. the problem is that i have a Cummins Trouble shooting and repair manual which dosent onen on my pc. I repeat its an original cd. when ever i put the cd in the error msg pops up which says that HCPS Loader has stopped working. The cd is protected by Hexa Lock software.
Thanks for help

Which OS are you running?