Before I reinstall my account i install LFs 6g for me then i reinstall my windows fine when i download lfs and install it work fine then i download the new patch 6g18 and patch it when i try to unlock it again dont work

Didn't understand everything but, If I read correctly, look like you used all of your unlocking keys.

Try to send a message to the devs here. They can give you a key

Or wait tomorrow for 3 more unlock