>>Why make the assumption that it has not detected .NET 4.0 ? All that it says is that it *did* detect 3.5 and 2.0.
>>What leads you to believe the problem is related to undetected .NET 4.0 - is the above the entire log ?
>>IAC, according to this : http://msdn.microsoft.com/en-us/library/ms143506(v=sql.110).aspx SQL2012 will install .NET 4.0 as a prerequisite if required.
>
>Because it always says that it will install it from the media. But why install if I already have it? In any case, right now I'm installing VS 2010 Integrated Shell (first downloaded 166MB, now installing).
>
>I wish it would not be that dificult - it's almost 1am right now, I want to sleep and at the same time want to finish installing...

Are you sure you can install on W2003 - AFAICS, according the the link I posted, 2008 R2 / SP2 is required ?