seeing as how it was posted in Social Networking I will go out on a limb and say you need to follow the steps for verifying who you are by either getting sent an email for a password recovery, or through entering a code sent to you via email or text message.
Otherwise, you should contact support for whatever social network account you seem to be having trouble accessing.
But yeah, like Gam3r01 said, you say to help you unlock your account but give no indication in the slightest as to what this account is for (i.e. Facebook, Twitter, A Porn Site, your iTunes account, etc.) So it's not like we even know where to begin. On top of that, you say in the title that you can't unlock your account because it says identity not confirmed. I don't...