Koliko ja vidim, ti vec imas instaliran .net 4.5 na tom racunaru, najverovatnije u okviru VS2010. Probaj sa deinstalacijom prvo.
"Microsoft .NET Framework 4.5 is already a part of this operating system, but it is currently turned off. To enable the .NET Framework 4.5, use Turn Windows features on or off in Control Panel."
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