Operating System, bit type: Windows 7 64 bit
Java version/update, bit type:Java 7 update 51 64 bit
Launcher version: 1.3.4
Completed the troubleshooting guide (y/n):Y
Console log, pastebin.com link: http://pastebin.com/Cw84vcKr
Description of the problem:
I am trying to use the DW20 1.6.4 pack...