I'm not sure how your inputting your data, but I had the same problem and lax told me that if I was sending to many commands at once it would basically cause that client to crash. I trimmed up a few of my 2 step macros, making them do a little less than what they had been doing, and I also slowed down how quickly I spammed the button and it 99% fixed my crashing problem. I still crash every once in awhile, but not very often.