Virtual Memory

Windows uses your Hard Drive as swap memory but its default configuration can cause a major loss of performance with the memory swap file getting moved around.
Select System icon from the Control Panel - Performance and Maintenance, select Advanced Tab, select Performance areas, and click on Settings Under virtual Memory click Change. The Initial and Maximum size should be equal otherwise Windows will keep resizing the file. The optimal memory setting for users with 128 MB+ is approximately 1.5-2 times the RAM size, users with 64 MB should use a 2 times multiple. You should also locate Virtual Memory on your fastest drive or striped RAID volume, placing it on the non-boot drive, can help increase performance. Defragment after setting this to minimize fragmentation and force the swap file to get located on the fastest part of your disk. Third party defragmentaters can optimize the swap file.
Always make sure your system has enough RAM. 128MB is the absolute minimum, 512MB is preferred. You can bring up the Performance Tab of the Task Manager to ensure that Total Commit Charge is lower than your Total Physical Memory. If not, add ram.

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