The serial code you entered is invalid.Please enter a valid

The serial code you entered is invalid.Please enter a valid the serial number entered is invalid.please re-enter the num the serial you entered is invalid是什么意思? The serial number you entered is not valid.Try again. the code you entered is not recognized as a valid code翻译 这是什么意思The access code you have entered is not valid.Please r Please enter a valid zip code. Please Enter Valid Product Code. The user name you entered is invalid.Please try again. the key code you entered was not vlid.please re-enter You must enter a valid 5 digit zip code if you live in the U The key you entered is already expired. Please enter a new k