Windows .exe pack wont load up

[nicklas1807]

hey so i when i start up dw20 1.6.4 modpack it starts loading and then it just freezes please help here is my log http://pastebin.com/NHuvxYtd

 

[Ashzification]

You have 32 bit Java on a 64 bit system. Uninstall 32 bit Java, and install 64 bit Java.

Also, you have 1/2 a gig allocated in RAM. The modpacks are recommended to run on at least 2 GB of RAM, which you can't do with 32 bit Java.

[16:43:32] [INFO] MinecraftLauncherNew.setMemory:127: Setting MaxMemory to 512

 

[nicklas1807]

You have 32 bit Java on a 64 bit system. Uninstall 32 bit Java, and install 64 bit Java.

Also, you have 1/2 a gig allocated in RAM. The modpacks are recommended to run on at least 2 GB of RAM, which you can't do with 32 bit Java.

[16:43:32] [INFO] MinecraftLauncherNew.setMemory:127: Setting MaxMemory to 512

thanks