This came up back in April on AD's forum.
Following the steps in Post 13 I can STILL get the sim to crash. It does seem to be very dependant on the exact sequence it is started. Since I am pretty inconsistent about how I start the sim, I bump into it now and again. See here starting at post 10
https://forum.automationdirect.com/forum/general-applications/105578-peerlink-addressingAnd the steps are:
Open DmD, double click on Links:MySim
If it's going to work it will open just fine. If not, it crashes.
Assuming it opened fine, "X" DmD's window and respond Don't Save. Close DmSim also now.
Open DmD, double click on Links:MySim It will crash.
Now to make it run, in Launchpad, double click Run: Do-more Simulator. Now double click on MySim, Hunky-Dory.
I think it depends on the program in the simulator the last time it was closed since I know I can get the first step to work OK most of the time and I rarely clear the simulator memory.