I installed Vs 2010 Express in my PC, and created a poject named myproject with .net 4.0, it works well in Vs 2010 Express.
Now I installed Vs 2012 Express in my
If the message "This project is incompatible with the current version of Visual Studio" is due to an attempt to open a project targeting .Net 4.5 with Visual Studio 2010, then the "solution" or workaround is to edit the .csproj file and change the TargetFrameworkVersion from "v4.5" to "v4.0". That at least allows the project to be loaded, although it may result in compiler errors if the program is dependent on 4.5 features.
I faced out with this problem, the solution was:
-- MT
I received this error because during the BizTalk install I did not check the Developer Tools and SDK checkbox. I went back and modified my installation and that error went away for me now.
Trying to load a BizTalk Project in VS2012 without BizTalk installed on your developer machine, will result in this error and the projects will load. This should be the first thing you check.