Jab

I am new to playing minecraft modding and i heart that forge is the most useful tool for mods i decided to download it. But my forge automatically closes i have no idea why. I downloaded 1.7.2 latest version because half of mods i want is on 1.7.2 but anyways after i installed it, it came as a jar file. I open it a bat window pops up for 2 seconds and then closes automatically i have no idea why. Please if anyone know the solution do reply and i am also still double checking the Common problems section just in case if i have mis-red anything but if there is a solution please let me know. I am a new to all this forge stuff. Thanks!