This sounds that you are running your Wine as NT6.x. On Vista / Server 2008 / Seven / Server 2008 R2 there is already NET Framework available as feature. And the installer you started only detect your OS version and gives you that information. If you are running Wine as XP, the error will not be anymore ... 2010/2/22 SirRedTooth <wineforum-user@xxxxxxxxxx>: > When trying to install Microsoft .NET framework 3.0 (comes with sony vegas pro9.0c) on wine 1.1.31 I get the following error: > >> You must turn windows features on or off in the control panel to install or configure Microsoft .NET framework 3.0 > > > Im guessing this is because I already have a .NET framework? > How do I either access the control panel, or solve this problem? > > > > > >