When i open my profile to edit i go to the JVM arguments to allocate more RAM but in the box is "-Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M" I erase it and put in the amount of RAM I want i save it exit cheek on it it has the same line of code as before i have no idea how to change it if anyone has fixed this problem in the past i would be much obliged if you could help me i have about 6GB of Ram on my computer and i want to give minecraft 3