URGENT HELP PROBLEM GRAVE UNSTABLE PROGRAM.

Hi, I have a very serious problem, it is more than 15 times that I have left the system stopped, I have a ddj rz and a mac, this mac is the same, with which I worked with my ddj old sx, now when I use The mouse to search for a song, sometimes a few times if not, the system stops, no button of the ddj rz, the music continues and after a few minutes, sometimes the controls start to run, this happens to me from The last 3 rekordbox updates.
Please, I need urgent help.