Not sure tbh,I've never touched the .ini ever before thought it auto generated it.
I have altered the roms path,maybe I need do the exe of mame to.
In answer to your question the mame exe is in that folder yes tho.
Yes if I right click open mame it opens.i can see another tab starts to open but closes & fails.
The roms are in the "roms" folder of mame.i cannot see anything in the mame config file that points to roms path