I double check and triple check the serial number as I enter it in, and I get the following:
"Wrong product registration number
Please check your entries again.
If necessary, use the product registration directly from within your MAGIX product."
I am using: Toshiba Satellite L675D (S-7052), Win 7 Home Premium (SP1), AMD Phenom (tm) II 2.9GHz (64 bit), 8GB DRAM