First of all, this tweak only apply to those who only have one HDD on their primary IDE channel (nothing else on device 0 or 1) and a CD-ROM and/or DVD-ROM на secondary IDE channel. Each time you boot Windows XP, there’s an updated file called NTOSBOOT-*.pf who appears in your prefetch directory (SystemRoot%Prefetch) and there’s no need to erease any other files as the new prefetch option in XP really improves loading time of installed programs.
Follow the following steps:
1. Open notepad.exe, type “del c:windowsprefetch tosboot-*.* /q” (without the quotes) & Сохранить как “ntosboot.bat” в C: 
2. From the Начинать menu, select “Run..Полем” & тип “Gpedit.msc“Полем
3. Double click “Настройки Windows” under “Компьютерная конфигурация” and double click again on “Неисправность” in the right window.
4. In the new window, click “add“В “Просматривать“, locate your “ntosboot.bat” file and click “Открыть“Полем
5. Нажмите “ХОРОШО“В “Применять” и “ХОРОШО” once again to exit.
6. From the Начинать menu, select “Run..Полем” и тип “devmgmt.msc“Полем
7. Double click on “IDE ATA/ATAPI controllers“
8. Right click on “Primary IDE Channel” and select “Характеристики“Полем
9. Select the “Расширенные настройки” tab then on the device 0 or 1 that doesn’t have ‘device type’ greyed out select ‘none’ instead of ‘autodetect‘ & нажимать “ХОРОШО“Полем
10. Right click on “Secondary IDE channel“, select “Характеристики” and repeat step 9.
11 Reboot your computerПолем
 
			