Symptoms
Assume that you have installed the Microsoft .NET Framework 4.6 on your computer. When you start a managed application, the application crashes. Before you install the .NET Framework 4.6 on the computer, the managed application started correctly.
Workaround
To work around this issue and how to troubleshoot, seeĀ .NET Framework 4.6 - Troubleshooting RyuJIT.
More Information
For more information about the known issues in the .NET Framework 4.6, see Known issues for the .NET Framework 4.6.
References
For more information about the product versioning changes and their effects in the .NET Framework 4.6, seeĀ Application Compatibility in the .NET Framework 4.6.