difficult to create bootable XP thumbdrive

I have one 16 G USB thumbdrive, formate in FAT32

my laptop PC has one C drive, NTFS, 70G

my objective is open files in original C drive in case I forget XP user name/password, my objective is not installing XP from thumbdrive

I formate thumbdrive using HP formate tools and a DOS bootable thumbedrive is created, when I bootable, it is A drive, I further using dir command to display C drive, to my surprise,only IO.sys and "temp" folder. my objective is not met

I then follow one article/tutorial in the forum and further copy C:\ntldr, ntdetect, boot.ini to my thumbdrive, then using PEBuilder 3.10 to create the BartPE, then using PEInst to copy PE to thumbdrive, but this thumbdrive is not bootable

Any one has done the experiment and made large thumbdrive to be XP bootable?

Just go through this guide. They have mentioned the same thing over there. I am sure that it will help you.

Hi, I'm using that guide and causes so many problem. My problem is posted in the first thread