(adsbygoogle = window.adsbygoogle || []).push({}); so im getting really frustrated and ive searched everywhere but i have not found anything. so i have the jar file to execute minecraft but by accident is set it to the defualt program of winrar. so now i cant seem to get it back to java ive downloaded it 6 times and it wont seem to open, i get a cmd to pop up and then disapears less than a second later. any help at all?