After installing .NET Framework 4.0, I noticed that one of our applications we build has stopped working. Specifically users receive the following error:
[NET Framework Initialization Error] “Unable to find a version of the runtime to run this application."
To fix this problem, I had to update our application.config file (Application Name.exe.config) and add the following entry:
Once I saved the file and re-started the application, it started to work as expected.