locked out of my windows 7 laptop, what should I do?

[Haopterke]

i was locked out of my old HP laptop with windows 7 system, i didn't want to reinstall the system because there lots of business document in it, i trailed ophcrack , but not successed, it keeps saying no table found, so, any advise?

 

[ex_bubblehead]

http/www.tomshardware.com/forum/id-2317969/read-passwords-lock-codes-pin-numbers.html