First of all, this tweak only apply to those who only have one Жорсткий диск 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) & save as “ntosboot.bat” у C: 
2. From the Почати menu, select “Run...” & тип “Gpedit.msc“.
3. Double click “Налаштування Windows” under “Computer Configuration” and double click again on “Відключення” in the right window.
4. In the new window, click “add“, “Переглядати“, locate your “ntosboot.bat” file and click “ВІДЧИНЕНО“.
5. Натисніть “Добре“, “Застосовувати” і “Добре” once again to exit.
6. From the Почати menu, select “Run...” and type “devmgmt.msc“.
7. Double click on “IDE ATA/ATAPI controllers“
8. Right click on “Primary IDE Channel” and select “Властивості“.
9. Select the “Розширені налаштування” tab then on the device 0 or 1 that doesn’t have ‘device type’ greyed out select ‘none’ instead of ‘autodetect‘ & клацати “Добре“.
10. Right click on “Secondary IDE channel“, select “Властивості” and repeat step 9.
11. Reboot your computer.
 
			