Can't start Minecraft Direwolf20 Pack

[StU]

Hi guys

I always played minecraft FTB but somehow today I start the FTB Direwolf20 Pack and I after downloading the Mojang logo apears and minecraft window too but then it return to the FTB launcher I uploaded my log into pastebin

Here it is:

http://pastebin.com/BHU9HaZ8

Can you please help me?

Thanks

 

[Greevir]

Issue is right there on Line 7 of the crashlog:

java.lang.OutOfMemoryError

You ran out of memory. You only have 1GB of RAM assigned. You should use at least 2GB.

 

[StU]

Dam I have to install windows 7 64 bits to have java 64 bits so can allocatte more memory am I correct?

 

[Greevir]

Dam I have to install windows 7 64 bits to have java 64 bits so can allocatte more memory am I correct?

Correct

 

[StU]

Thanks Greevir I will see what I can do