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Okay... I have Google Chrome and Norton 360, so I apparently ran into an issue with each of these programs in attempting to download and install Ryzom... but was FINALLY SUCCESSFUL!
1. Once I downloaded Ryzom, Google Chrome says :
ryzom_setup_644.exe is malicious, and Chrome has blocked it.
Just hit the "Recover malicious file" and follow it's prompt to continue (I think it said something like "Hurt me good" >.>) in your google chrome downloads and It will automatically correct that issue.
2. Next issue I faced must have been with Norton 360.
I kept hitting some C++ Runtime error. (You will need to use your [ Esc ] key to kill the runtime error window.)
I went into Norton's settings to "Allow" Ryzom program. Tried again without even restarting computer, it went through just fine after that.