I worked for me, I restarted the computer. And just assign coin and starts buttons if you are going to use the mouse. For some reason the start button needs a long push in order to work. The coin patch works fine too.
It's pretty old. I recomend download the latest version
Here is the link [Hidden Content]
Delete the old version of jconfig.exe and paste the new one with idmacx.dll.
In the setting enable nesys emulation