today july 4th 2015 i was doing a performance with my ddj sx2 with (latest firmware) that was last updated by pioneer back in december 2014... on my macbook pro 2.4gh i7 1tb hd 16gb ddr memory running yosemite 10.10.4 (latest update) and with serato dj 1.7.6 (latest update) the controller froze 3 times during the performance leaving the controller completely un-operable at all!!!! all the sound leds froze no buttons worked no faders or platters works witch at that time i had to restart the unit and my music stopping in the middle of everything 3 seperate times!!!! and when i tried restarting the unit it would'nt start at all az if it was unplugged witch that wasnt the issue at all and the third time i restarted it it came on but immediately froze again! i dont understand y this is happening but pioneer please fix this asap! because this sx2 is like a month nd a half new and either pioneer or sam ash is replacing this failer!!!!..... anyone with any ideas or suggestions please let me know asap!!!