Can't add more than 1,5 gb RAM to the launcher...

[Master_GT]

Launcher Version: Technic launcher build 1.0.1.3

Operating System: Windows 7 Ultimate 64 bit

Java Version: Java 7 update 5 (64 bit)

Antivirus Program: Microsoft security essentials

Description of Problem:

It seems that i can't add more than 1,5 GB RAM i have 8 GB RAM... because i just can add 1,5 GB RAM the game is really laggy and cause the game to crash fro time to time. Any advise how i can't fix adding more RAM?

Error Messages:

Error Log:

[Torezu]

You don't have 64-bit Java, or the launcher isn't using it.

[Master_GT]

You don't have 64-bit Java, or the launcher isn't using it.

okey thanks.