The software license is being pinged repeatedly causing the software to slow down and act as if it has locked up.
In the CodeMeter Control Center, the event log will have similar events to these:
DATE TIME: Access from local(IPV6)(COMPUTER NAME) to FC:PC=6000109:100 with NoUserLimit (Handle #)
DATE TIME: Access from local(IPV6)(COMPUTER NAME) (SID 0x00) to FC:PC=6000109:1700 with StationShare Mode (Handle #) (Sharing with handle #)
In the Mastercam Event Viewer, these events will be seen over and over again:
License for product code 100 is invalid. Successful reconnection.
License for product code 1700 is invalid. Successful reconnection.