Wait, you have Windows XP, not Windows 7, sorry! There may not be a Safe Mode, I haven't used XP much.
Ok, Puppy Linux dvd or usb is a set of Linux-based utilities that look and feel like GUI DOS of long ago days.
or, google Puppy Linux. Numerous places for ISO downloads. ISO files are burned onto DVDs or "burned" onto USB sticks by porgrams such as PowerISO and numerous similar utilities.
Once a Puppy Linux boot device is made, the computer is booted with it. One eventually arrives at a desktop offering several choices, among those choices are any and all internal hard-drives "sniffed." Within any hard-drive, a listing of partitions, a listing of folders within each discovered partition, and finally the files within each discovered folder.