No more seats?

I just logged into my Norton Management and it told me that I have 0 seats remaining.

 

My license if for 3 PCs and I only have it installed on 2. I ensure to delete a PC from my norton management before formatting

 

how can I fix this?

 

Also, now it is not showing my newly installed NAV which was just installed on Windows 7 although I am logged in using my account in Norton AV and using that same license key

 

please help