999小儿化痰止咳糖浆:windows xp 预读功能

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Prefetcher]
"Version"=dword:00000011
"StartTime"="2005/9/28-10:06:47"
"TracesProcessed"=dword:00000012
"TracesSuccessful"=dword:00000012
"LastTraceFailure"=dword:00000000
"ExitCode"=dword:00000000
"ExitTime"="2005/9/28-10:11:21"

我把预读文件删了以后，就不预读了，

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters]
"VideoInitTime"=dword:000009b4
"EnablePrefetcher"=dword:00000002
"AppLaunchMaxNumPages"=dword:00000fa0
"AppLaunchMaxNumSections"=dword:000000aa
"AppLaunchTimerPeriod"=hex:80,69,67,ff,ff,ff,ff,ff
"BootMaxNumPages"=dword:0001f400
"BootMaxNumSections"=dword:00000ff0
"BootTimerPeriod"=hex:00,f2,d8,f8,ff,ff,ff,ff
"MaxNumActiveTraces"=dword:00000008
"MaxNumSavedTraces"=dword:00000008
"RootDirPath"="Prefetch"
"HostingAppList"="DLLHOST.EXE,MMC.EXE,RUNDLL32.EXE"

高手能帮我看看么？