why my program stop working with "system error"?

i have c# windows application program that develop and work for about 4 years. my program is using ANPR library that programmed in c++ and some other libraries.

recently error occurred and program crash but not closed and error shown. when click OK program will close.

the time of error not specified.

my error:

application name - system error

exception processing message 0xc0000005 parameters 0x7fff894e ....