ProxxOS bootdisk is a Linux bootdisc with a set of tools commomnly used for windows repair/recovery operations.
Whether you need te create a backup, format or clone your harddisk? Gparted and Clonezilla have your back. If you have a broken disk testdisk/Photorec can help and try to recover the data. When a password is lost or an account is locked-out chntpw can reset the account/password for you. see the features section for all tools.