How to stop dump of physical memory

Here are some steps that may help you with this problem:

Right Click My Computer.
Select Properties, then the Advanced Tab.
Under Performance, click Settings.
Click on the Advanced Tab. > Click on the Change Button.
Click on the Custom Size button and click in the Initial Size box.
Make the size of the page file 0. > Click in the Maximum Size box.
Make the size of the page file 0. > Click set.
Restart your computer and run a defrag.
Once the defrag is done, go back to the page file settings above and click on the Change Button.
For the Initial and Maximum page file size make it 1.5 times the amount of ram your computer has.
Click on the Set Button again.
Reboot your computer again.