Disable Prefetch on Low Memory Systems - Windows XP

Prefetch is designed to speed up program launching by preloading programs into memory - not a good idea is memory is in short supply, as it can make programs hang. To disable prefetch:
1. Click ‘Start’ then ‘Run’
 2. Type in ‘Regedit’ then click ‘Ok’
3. Navigate to ‘HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementPrefetchParameters’
 4. Right-click on “EnablePrefetcher” and set the value to ‘0?
5. Reboot.