2003 gmc envoy stalled and no crank or start

What is your question?

So my engine just stalled runing in park and will not start or crank over tested everything u could think of not sure if its a computer thing or some kinda security thing or programe thing please help starter is good gage says check gages and dont read how much gas and the day it shut off stop reading temperature please help asap this is me and my wife only car and she i due anyday to have are child need to get fixed fast but im a kinda guy that does it him self to save money thanks everyone

What makes this problem better or worse?

Nothing has helped just doing same thing over and over

How long has your 2003 GMC Envoy XL had this problem?

2 days had it towed to ny house