In the last few days i can not get the program to run, and continue to get this error. it happens when i try and place heads on a new design.
Any help?
Please take a look in the support section of the forums 
Your problem has come up before and there are solutions for it too.
viewtopic.php?f=16&t=1271
Run the Automation Cleaner and make a fresh install to the latest version.