Nach 10sec googlen:
- Click on Start - and in search type regedit and press enter.
- Go to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Contro l\Session Manager\SubSystems\
- Make backup of your key! Click on File menu and choose Export. Give it a name and choose the destination. Click Save and there it is - a backup of your SubSystems reg key. Just in case you want the original key back.
- Doubleclick on Windows key in the right pane.
-In Value data field scroll left or right using arrow keys until you find this:
SharedSection=1024,3072,512. Change 3072 into 4096 so it reads: SharedSection=1024,4096,512
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- Right-click Command Prompt in the Accessories program group of the Start menu. Click Run as Administrator.
- At the command prompt, enter "bcdedit /set IncreaseUserVa 4096"
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- Restart the computer.
- Start the game and wait (you have to wait several minutes)!