Please open ticket to our technical support regarding this problem.
You can have to contact the support team for this.
Please see Jari-P post above, and contact our support.
Reset of security code have to be handled outside of the F-Secure Community.
For alternative way to unlock your mobile, refer to the following post:http://community.f-secure.com/t5/Protection-Safe/f-secure-mobile-password/m-p/11397#M2688