Launcher crashes on startup

[iLoveLoosy12]

My apologies for a most-likely repetitive topic, I know it can get a bit annoying to staff...

Hello,
I've looked through a few other sources in the FTB support forums and in the knowledge base suggestions found on the support site, I haven't been able to find anything (or I am not quite knowledgable enough myself about the subject) that quite matches my issue. I posted here because these forums seem to be more active than the support site.

After I click "launch" and attempting to run the Ultimate pack, the launcher loads everything required and gets all the way to starting Minecraft....but then the entire launcher crashes including the console messages. It may be worth noting that the Technic launcher and its included modpacks still function perfectly on the same computer. I deleted all FTB files, restarted my computer, installed the latest version of Java OSX (2013-004, this came out today apparently), and reinstalled all files onto my desktop...only to find the same problem as before.

Pastebin crashlog link below-
http://pastebin.com/XAEr6QBS

Thank you!

 

[Ashzification]

Here's your problem:

1. Java version: 1.7.0_21

Read: http://desk.feed-the-beast.com/inde...lack-screen-does-not-load-after-splash-screen



Edit: the only reason the forums are more active is because I allowed myself a few days off from answering tickets, so I could reduce my stress level.

 

[iLoveLoosy12]

Alright, I suspected that was it. Probably a silly question, but is there a way to use the downgraded java version 6 for this while keeping the other up-to-date version? (Looks even crazier typed out ).

And of course, thank you very much for taking the time to help me here

 

[Ashzification]

No.