JSI Tip 4887. Disable the Windows XP Prefetcher while troubleshooting Windows and program start up issues.
February 25, 2002
Windows XP has a Prefetcher component which shortens the amount of time it takes to start Windows and to start a program.
While troubleshooting start up problems, or program start problems, you may wish to disable the Prefetcher:
1. Use the Registry Editor to navigate to:
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerMemory ManagementPrefetchParameters.
2. Record the data value of the EnablePrefetcher Value Name, a REG-DWORD data type.
3. To disable the Prefetcher, set the EnablePrefetcher Value Name to a data value of 0.
4. Shutdown and restart your computer.
NOTE: To re-enable the Prefetcher, set the data value of EnablePrefetcher to the value you recorded in step 2, and restart your computer.
NOTE: See Configure the Windows XP and Windows Server 2003 Prefetcher.
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