Invalid SupportedRuntimes value for launch condition '<LaunchCondition>'
The SupportedRuntimes property for the specified .NET Framework launch condition is empty or improperly formatted. This property requires one or more version numbers formatted as nn.nn.nnnn (where n represents a numerical digit). Multiple versions should be separated by semicolons.
To correct this error
Enter a properly formatted version number. The .NET Framework version number is available in the About dialog box for Visual Studio.