Serato locking and closing - FX and Samplers DDJ SB2

Serato DJ 1.9.0 and 1.9.1 locking and closing program after opening the FX tab and samplers, not just me as everyone who has the controlling DDJ SB2 , support serato reported that could be drivers or firmware of you . It's a shame a global company like yours , with expensive products have this kind of problem , I hope my problem is solved !!