Too Many Password Attempts - Locked Out

mine is doing the same thing too! im going insane. it is my lifes work and now im locked out. i noticed it start when i installed norton 360 so if anyone knows any settings it may have shut down please let me know. however i tried it on a pc without norton and it still wants password! it is redicullous, there must be a solution cause i cant afford to lose this data. im not the only one by the looks of it! wd better come through cause im very upset.

please contact jason smokescreenfamily@hotmail.com if any solutions can be suggested. thanks guys.