So, I almost finished installing Windows7 x64 Pre- SP1 on my laptop. And now one little utility needs the Net Framework 4.0 installed. I really need that utility to quiet my laptopfan (Notebookfancontrol). I have the standalone Net Framework installer on a thumbdrive. But am worried it could mess up my perfect installation of Windows 7. For some odd Microsoft reason. Does anyone know if version 4 will install without any problems on Windows7-x64 Pre SP1? Or have any ideas how to find out before I try? I also wonder if it will bug me because of dependencies. Or even install SP1 which I am trying to avoid. My PCI Sata-controllers just wont work with the stupid SP1 installed (old hardware). I don't have internet now eccept on my mobile. Also don't have any virtualization software or other hardware I can use to find out.