How to do a complete defrag in Windows XP® Page 2 This way of doing a defrag does not require any 3rd party programs it just uses the ones included in Windows XP®. By doing it this way you will see a substantial improvement in overall disk performance. You should do this about once a month.
 select or left click Performance and Maintenance.

Then left click or select System.

On the top of the System Properties select or left click on the advanced tab.

 

Select Settings under performance.

Select the Advanced tab  

Then under Maximum size check no paging file.

Then left click or select set

Restart or reboot your computer by left clicking on Start button

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