Windows XP startup optimization

1.optimize prefetch function
1) open run dialog from start menu and run regedit.


2) locate following reg key and edit EnablePrefetcher
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters

recommendation values from EnablePrefetcher:
Very old machine:0(no prefetch)
not good machine:1(application prefetch)
good machine:3(application and startup app prefetch)

３）ｃｌｅａｎｕｐ　ｗｉｎｄｏｗｓ/prefetcher directory.

2.optimize startup applications and services
1) open run dialog from start menu and run msconfig.


2) on services and startup tabs,
uncheck not necessaryy services and startup apps.