Sign In Required ??

[MDMJD]

Why is I'm receiveing this massage ? "Registering Creative 6 Design Standard is required within 3 days (remaining) otherwise it will stop working. This (my) item are already register in my plan. HELP. One quick note, this item was downloaded (from disk) to a olded Mac OS X 10.6.8 version 

[John T Smith]

Did you enter your serial number to activate the program?

[MDMJD]

yes

[MDMJD]

I'm puzzle, are the serial number the 24 digit, if yes...I did. The code are deply on my plan