It's work big THX. i see other key in Memory Management -> PrefetchParameters [HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Memory Management\PrefetchParameters] "VideoInitTime"=dword:000004f1 "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" "EnablePrefetcher"=dword:00000000 it's important for me