C++ Application error

I am using visual studio 2017 for c++ application.I have implemented application of display images.I am using Windows server 2008 R2 PC.Whenerver we are tried open more than 300 images . Application is showing error as exception code c0000005 in framework.dll file .& Need to close application tab.why this is happening?when I attached application to my code.application get pointed to windi.cpp file of mfc folder of visual studio & showing exception code 0x0000007F