Hello and welcome to justanswer, My name is ***** ***** i will be assisting you today,
I'm sorry about the issue, Please go to this website : www.pogostick.net/~pnh/ntpasswd/ and click bootdisk on the top of the page then download the file : cd110511.zip (Make sure you unzip this file), next burn this file into a blank CD or DVD, you can use imgburn software for that : www.imgburn.com
Now insert the disk and follow the step by step instructions in this tutorial video to remove the password :
Let me know the results please
Has everything worked out, do you still need help please?
If you need any further help please reply back to me and i will gladly continue to help