>>>>>Sounds right.
>>>>>
>>>>>Maybe you could try uninstalling NET Framework 4.0 and install again?
>>>>>
>>>>>Just a shot in the dark...
>>>>
>>>>If I remove it, how do I re-install it?
>>>
>>>http://msdn.microsoft.com/en-us/netframework/aa569263
>>
>>Thanks. For now I repaired installation and checking if it helps. I'm a bit afraid to uninstall .NET 4.0 - what if someone breaks?
>
>I've had to uninstall NET Framework versions in the past, and have not had problems (suprisingly).
>
>YMMY.

Ok, I'll try it, as it again gives me this.

So, which one I have to uninstall in Control Panel? Ok, I'm uninstalling all of them now. I need to start from Extended.