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 on the 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) & запиши като “ntosboot.bat” в В:
2. From the Начална страница menu, select “Run...” & Тип “Gpedit.msc“.
3. Double click “Настройки на Windows” under “Компютърна конфигурация” and double click again on “Изключване” in the right window.
4. In the new window, click “добавете“, “Разгледайте“, locate your “ntosboot.bat” file and click “Отворен“.
5. Щракнете “Добре“, “Кандидатствайте” и “Добре” once again to exit.
6. From the Начална страница menu, select “Run...” и тип “devmgmt.msc“.
7. Double click on “IDE ATA/ATAPI controllers“
8. Right click on “Primary IDE Channel” and select “Свойства“.
9. Select the “Разширени настройки” tab then on the device 0 or 1 that doesn’t have ‘device type’ greyed out select ‘none’ instead of ‘autodetect‘ & Щракнете “Добре“.
10. Right click on “Secondary IDE channel“, select “Свойства” and repeat step 9.
11. Reboot your computer.