Whenever I Try to change the ram that I can use for minecraft It says Java cannot create virtual machine. If not solved, lag.

minecraftgamer123

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Dec 23, 2014
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Whenever I change the amount of ram my minecraft can use, ( half of my total ram ) it says java cannot create virtual machine! What do I do? If You have the answer Thanks. If not then How do you solve minecraft 1.8 lag?


Signed,

Minecraftgamer123
 
Some additional details might help: how much ram do you actually have total? 32 or 64 bit java? Are you using the default launcher or something like Magic Launcher or MultiMC? Which exact setting are you changing to increase the amount of ram minecraft can use (so I can make sure it's the appropriate one)?