What is this PC? Also which OS?
It didn't let me fit it in the title but when it crashes it says "PAGE_FAULT_IN_NONPAGE_AREA". I've been told that this is a memory issue. I have tried using mdsched.exe to check my RAM. I have tried running both 'chkdsk /f /r' and ‘sfc /scannow’ in the command prompt. I have also checked for driver and windows updates. None of this fixed and all the testing said that my computer is running fine. Does anyone know of anything else that I can try to fix this?