Tweaking your computer using Virtual Memory. You can get to these settings by going to:
Right Click My Computer -> Choosing Properties
Advanced Tab -> Under Performance select Settings
Select the Advanced Tab -> Under Virtual Memory select Change
Select custom size, under the Initial size this number should be 1 1/2 times the amount of RAM in system, the maximum size should be 3 times the amount of RAM in system. Click OK and we are finished.

You may have to restart you computer to start these changes.