[George]

Please bear with me a second. Enter your email address exactly as shown in your download instructions(usually all lower case), and input a string of characters where the serial number would ordinarily go, any several will do for this purpose. Now position your cursor at the end of the string and sit on your backspace key. You may see more characters scroll by than you would possibly imagine. Clear the box entirely.

When a serial number fails, it may not clear out of the entry box, but not be visible. make certain that there are no unseen characters lingering from the failed attempts. I've had this happen to me. The input does not necessarily clear when an input fails, unless you re-boot the p.c..This causes too many characters to be present, and it will get rejected.

It is very easy to input just one wrong character the first time, and then do it absolutely correct the next 20 attempts and still be in this loop.

Highly recommend copy and paste method inputing the serial number for install.

Wishing you luck

George

Please post back if this cures your problem so's support will know you're up and running.Thanks