Download the DirectX End-User Runtime Web Installer from Microsoft.
If you have a BIOS file, select it. If not, try toggling the option off and then on again to reset it.
Alternatively, go to > Compatibility and check "Run this program as an administrator" permanently. 4. Update DirectX and Visual C++ Redistributables
Here is a comprehensive guide to understanding and fixing this error. What is the "Core Stopped" Error?
If ePSXe has crashed once, a "ghost" process might still be running in the background, preventing the core from restarting. Press Ctrl + Shift + Esc to open . Look for ePSXe.exe in the "Details" or "Processes" tab.