At the end of installation appear error "microsoft visual studio for app. 2.0 - cannot find one or more components"
after this launcher finished the installation and wrigth - innstalled succesfully.
when i attempt to start revit it buzzed on splash screen.
the same problem with revit 2011
Windows XP SP3
Geforce GTS 450 1gb
C++ 2008, 2010
Uninstall your Microsoft Visual Studio Tools. Then repair install your Revit. Clearly something with your Visual Studio is not playing nicely. Perhaps with a Visual C++ Redistributable prerequisite?