Windows .exe Wont Start ftb Unleashed

[connor2324]

When I select ftb Unleashed and press launch the boxes go grey and i cant click launch again but it wont start, I looked at the log but nothing was wrong.

 

[Ashzification]

Please read this post:
http://forum.feed-the-beast.com/threads/ftb-launcher-update-mod-packs-what-you-need-to-know.35414/
and this post:
http://forum.feed-the-beast.com/threads/your-logs-and-you-what-you-need-to-know.36509/

Please post your console log to pastebin.com and link it here.