The pictures don't indicate whether or not you have scripts. That is done on mIRC.
One thing though, even without scripts, it should load past connection success.
So I think the problem is the number of cars you have and more importantly what kind. If you have no cars from the list, delete ten cars and check if it works. If not: delete another ten and so on, I think you get the picture.
Here is a list of vehicles that may crash your server.
