1. Right-click My Computer
2. Left-click on Properties
3. Click Advanced tab on System Prop window
4. Under Perfomance, click on Settings & this will open another window
5. Click Advanced tab on Performance Options window
6. Down at the bottom, for Virtual memory click the Change button
7. If not already clicked, click Custom size & set intial for 3072 MB & Max to 4096 MB.
This assumes you have the hard disk space to accompany a 3-4 GB page file. Give it a shot & let me know.