![]() Run ophcrack and set the number of threads under the Preferences tab to the number of cores of the computer running ophcrack plus one.For example, for an old processor set the number of threads to 2, for a Core 2 Duo to 3 and for a Core 2 Quad to 5. This step is optional but will speed up the cracking process. The others ophcrack rainbow tables are sold by Objectif Securite. ![]() The XP free small, XP free fast and Vista free rainbow tables are free. ![]() Ophcrack rainbow tables are avaible at ophcrack rainbow tables page. Ophcrack and the ophcrack LiveCD are available for free at the ophcrack project page. It also assumes that you understand how to use third party tools like pwdump or fgdump to dump the SAM of a Windows system. This howto assumes you have already installed ophcrack 3 and downloaded the ophcrack rainbow tables you want to use.
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