EPU-4 Engine EAccessViolation on PC

Hi there,
Every time I open my PC this EPU-4 Engine message appears and I don’t know what it means and how this can be solved. I have no idea about this error and what is causing it so is there anyone who can help me to fix this one ? What is causing it ?
Thanks experts !

EPU-4 Engine
EAccessViolation.
OK
