OptimisticBroadcast

Thanks!! Got it to work!

here is the link http://www.technicpack.net/api/modpack/judgement-day

Now it's opening in vanilla Minecraft... Anyone understand this?

I have been working on and trying to upload my mod pack on the launcher, and I followed many videos. I was finally able to download it but whenever I try to launch it, the normal Mojang screen shows for about a minute, then reverts to the launcher main screen. there is no error codes, or any crash-reports (that I know of). I have no idea what could be the problem. Help?