Floworks 2018 crashes at the beginning

Hi , I've a big issus with FW2018 ( sw2018 sp4.0) 

When I add a complement (add-in) in the ribbon , all icons don't appear , I've to  customize the ribbon to show all icons , and when i  start an analysis , floworks crashes instantly.

I give you the report  

do you have an idea 

Thanks a lot 

VV

SolidworksFlow Simulation