<t> For those that are wondering about a resolution to this issue; it turns out that I apparently either received or mistakenly purchased the wrong version of the game (original) despite being nearly completely positive I was on the right page. Thus the AE update wouldn't work regardless of serial ...

I've exhausted every possible error on my side as far as I know. Blank spaces, with/without dashes, everything. Thanks for telling me about the support center though.

<t> I just recently bought WitP: AE and installed it with no issues. However I'm getting an 'invalid serial number' error when trying to install the February 8 update. I'm using the exact same serial number that I got in email and used to successfully install the base game. Any help would be greatly ...