Why Ophcrack could reset Windows 7 password? Because rainbow tables are included in Ophcrack, when it begins to reset Windows password, tables should appear. But now there is no tables found during Windows 7 password reset with Ophcrack, how should we do?
Follow the below to do:
Actually, after you burned Ophcrack ISO file into CD, two directories have to be verified stored on the CD, boot and tables. If one of them is not there, Windows password would not be reset with Ophcrack.
If you couldn't find tables in Ophcrack boot disc, get rainbow tables from Ophcrack website. Load them onto a USB and run them from there.
There are different kinds of rainbow tables provided by Ophcrack, free or needed to pay. Choose the one available for your computer. And download it directly or buy it. From the password recovery success rate of rainbow tables, we could see not all of rainbow tables could reset any kind of Windows password at any time. Its recovery rate is between 96% and 99.9%.
Ophcrack is one of the best free Windows password recovery tools. But the disadvantages of Ophcrack, such as low password recovery rate usually make Windows password recovery failed. For example, you will be probably prompted with "no tables found" when trying to reset Windows password with Ophcrack. This is discouraged but don't be worried.
More powerful Windows password recovery tool could work instead of it when you face the issue. Just select one of them, Windows Password Genius. And you could take it for Windows password recovery on all Windows operating systems.
You can take it to create password reset disk with bootable USB drive or CD/DVD-ROM. And insert password reset disk into locked computer. Then set computer from boot it and reset user account password in iSunshare Windows password recovery program.
If you don't want to try any software to reset Windows password, it's recommended to create more local administrators and Windows password reste disk for it when computer is accessible. Then when you are locked out of computer, even no ophcrack or windows password recovery tool, password reset disk or available administrator could help to reset Windows password without any software.