Just thought I would pass this on to help anyone with a similar problem.
I had version 10 on my cpu and tried to upgrade to the latest. I am running XP SP3 on an HP 2005 Home Addition. Could not download file. Verified all settings were set in my browser as specified by Adobe. Even uninstalled old version of Flash player. Still no download. Finally I shut of my Avira Web protection and it worked as advertised.