Dip-Pro Just stops

Hi all, 
Firstly I must say that I've never delved deep into DimPro, so I'm no expert I just load a sound and use it, but. I have a long team issue with DimPro, most of the time it works great and I may have up to ten instances in one project. Then out of the blue just one of them will stop responding and no matter what I do I can't get it to work. I check my MIDI routing, Input echo on Plugin Properties and all the other little silly things that cause a user oops! After testing everything I'm sure it's DimPro freezing on me. I insert a new DimPro as a quick fix to replace it and that works, but I'm starting to get the S#*% with doing this. 
 
So has anyone else had this problem?
Could it be a rogue controller?
Any suggestions on the causation? 
 
Thanks in advance