[SOLVED]Plzzz help me (My Account Blocked)

Yesterday I was playing with my account.
Today, when I decided to open my account back of me a message Cannot connection to server
Then I went to Z8Games.com and entered my account back of me a message:

Your account is currently blocked from playing CROSS FIRE from Z8Games due to Hack.

Your account was blocked on 10/6/2010 4:33:51 AM EST and will not be unblocked until 10/13/2010 4:33:51 AM EST

We would like to take this time to invite our users to read Terms and Conditions for Cross Fire and Metin2 . We understand that these policies may seem harsh, but they are in place to ensure that every player is able to fully enjoy their time in Z8Games.
Thank you in advance for respecting our position.

And I wasn't play with Hack for a long time.

Plzzz tell me what i Do ?