Never mind. I was able to do it. Windows 7 does not have OBEX file transfer natively, so I had to download a freeware program (OBEX Commander). Once I had that I ran through the upgrade and all is as it should be now. Stoked on the head unit again.
Care to share how you did it? I keep getting an error as well. I just realized the link you provided is for Pioneer Europe. I don't know if that makes any difference or not. Thanks in advance.