Finding out what is causing a crash can be a bit of work, and mostly involves 'process-of-elimination' style troubleshooting. If the software is crashing on you, it could be caused by multiple things and it is not necessarily the Serato software that is responsible.
Here are some tips to try and solve crashing problems when using Serato Software The first step is to ensure you're running the most recent version of your Serato Software.