Crack Windows Administrator Password using ophcrack...

Ophcrack is a free Windows password cracker based on rainbow tables. It is a very efficient implementation of rainbow tables done by the inventors of the method. It comes with a Graphical User Interface and runs on multiple platforms.

Features:

• » Runs on Windows, Linux/Unix, Mac OS X, ...
• » Cracks LM and NTLM hashes.
• » Free tables available for Windows XP and Vista.
• » Brute-force module for simple passwords.
• » Audit mode and CSV export.
• » Real-time graphs to analyze the passwords.
• » LiveCD available to simplify the cracking.
• » Loads hashes from encrypted SAM recovered from a Windows partition, Vista included.
• » Free and open source software (GPL).
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Creat a bootable USB Ophcrack in Windows

1. Download a Ophcrack Vista or XP Live CD ISO
2. Insert your USB Flash Drive
3. Download and run tazusb.exe then follow the onscreen instructions
4. Reboot your PC and set your BIOS boot menu to boot from the USB device.