i just installed rage on my pc (windows 7) /which takes a lot of time

a message appaers after some seconds and tells me that rage is "broken"..what can i do now?
i also tried to install the rage anarchy edition package, but it tells me that it is not possible(because it is alredy installed,which is definitely NOT!)
technical devices: Intel® core i3-2330M 2,2 Ghz, 4GB RAM,AMD RAdeon , HD 6470M(512MB)500GB HDD,..)
hope you can help me.thanks
