Logview Studio is based on the Microsoft .NET Framework. Therefore .NET Framework has to be installed mandatory.
Wikipedia
The .NET Framework is Microsoft's comprehensive and consistent programming model for building applications that have visually stunning user experiences, seamless and secure communication, and the ability to model a range of business processes.
For proper function of Logview Studio it is necessary to have the complete edition of .NET 4.0 installed. Any preinstalled reduced version (like the .Net 4.0 Client profile) is not sufficient.
In case the .NET Framework (Full) is missing on your computer, the following message will appear on your screen.
Download
The installer is available for downloading at Microsoft's Internetpage
http://www.microsoft.com/de-de/download/details.aspx?id=17718
Alternatively you may search for ".Net Framework 4.0 Full" in your favorite searchengine.
Installation
The Installation is well documented and don't need any further explanation.