I have won in Circus Maximus in epic at least 5 times.
3 times with the same auriga, and I still have not seent this victory screen.
What do I need to win the game?

OK, I seems to be some kind of Firewall/Defender issue, not a bug of the installer.
Sorry for writing up too early.

<t> I just bought the game.<br/>
Downloaded the installer from the link in the e-mail.<br/>
When I try to install the game, the install procces hangs up with the following error message that pops up:<br/>
"Error!<br/>
Could not open the unistall executable for writing:<br/>
Acces to c:\windows ...