Unable to load dll: “SiteModelerAT.dll”

Hello,
After I installed Bentley InRoads Site V8i this error appeared when I tried to open it. Is for the first time when I installed such a software and I don’t have any idea about it. How can this error be solved? What could cause it?
Thanks!

Bentley InRoads Site V8i
Unable to load dll: “SiteModelerAT.dll”
OK
