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 ant 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” į C:
2. From the Pradėti menu, select “Run...” & tipo “Gpedit.msc“.
3. Double click “„Windows“ nustatymai” under “Kompiuterio konfigūracija” and double click again on “Išjungimas” in the right window.
4. In the new window, click “add“Ar “Naršyti“, locate your “ntosboot.bat” file and click “Atidaryti“.
5. Spustelėkite “Gerai“Ar “Kreiptis” ir “Gerai” once again to exit.
6. From the Pradėti menu, select “Run...” and type “devmgmt.msc“.
7. Double click on “IDE ATA/ATAPI controllers“
8. Right click on “Primary IDE Channel” and select “Savybės“.
9. Select the “Išplėstiniai nustatymai” tab then on the device 0 or 1 that doesn’t have ‘device type’ greyed out select ‘none’ instead of ‘autodetect‘ & spustelėkite “Gerai“.
10. Right click on “Secondary IDE channel“, select “Savybės” and repeat step 9.
11. Reboot your computer.