trainingperf

I'm using Express Accounts since 1 year now, and today when i have checked my income statement , the income is blank when i do balance sheet or Trial balance all work correctly it was working perfectly before but now big problem is there any bug ? i'm having several issue now the software is crashing from time to time i use the Mac version on OS El Capitan , NCH express account V5.03 just to precise it was working at the beginning when i install the new OSx