Navionics cartography difficulties

I seem to be having trouble with possible corruption of the navionics cartography in my network. When I insert the card with my cartography into the master plotter it becomes unresponsive for some period of time and the other mfds on the network reset themselves. I had a raymarine tech on the boat looking at some problems I'm having and he suggested I post here to see if there are suggestions about the cartography and ways of dealing with potential corruption.

Thanks
Ben