Ok guys, if you have crash problems where there is no actual explanation (the game closes for no reason after or during a battle) I'll leave you some links I was given!

This may solve the crashing problems!

https://forums.rpgmakerweb.com/index.php?threads/the-game-closes-suddenly.139648...

https://github.com/nwjs/nw.js/issues/6163

Thanks to Cherrylux  For helping me solve this problem! Go see some of they projects!