Help activate Ultimate program

Aaron, Please refrain from carrying out multiple postings on the same subject! You won't obtain an answer to your query any faster! See posting (https://support.avg.com/answers?id=906b0000000D4Y5AAK).
AVG Guru

The computer does not accewpt the code given to me saying is not valid
What do i do >

Aaron, Please refrain from carrying out multiple postings on the same subject! You won't obtain an answer to your query any faster! See posting (https://support.avg.com/answers?id=906b0000000D4Y5AAK).
AVG Guru