NET Framework 4 redistributable package as part of your application setup. NET Framework 4 applications: Install the. NET Framework 4 or later versions (see instructions).įor. NET Framework 3.5 (and earlier) applications: Configure your application to support the. To resolve the underlying issues and provide the best user experience (fewer error messages), we recommend the following:įor. Otherwise, your application may not run at all, or some functionality may not be available. However, you still have to resolve the issue that prevented your application from loading the requested runtime. For example, you can use an API flag to prevent the message from being displayed, as discussed in the next section.
NET Framework initialization error message. NET Framework version for the application.Īs a developer, you have a variety of options for controlling the. The user can choose Yes to go to a Microsoft website where they can download the correct. The following error message is typically presented in this situation. If the CLR activation system cannot load the correct version of the runtime that is required by an application, it displays an error message to users to inform them that their computer is not properly configured to run the application, and provides them with an opportunity to remedy the situation. CLR hosts should always consult these return values before proceeding with additional operations. The CLR activation APIs return HRESULT codes to report the result of an activation operation to a host. This infrastructure should not be confused with assembly binding logs, which are entirely different. The CLR provides logging infrastructure to help you debug CLR activation issues, as described in How to: Debug CLR Activation Issues. This article provides a list of HRESULT codes and explains how you can prevent the error message from being displayed. If the requested version is not found, the CLR activation system returns an HRESULT error code from the function or interface that was called, and may display an error message to the user who is running the application.
This situation typically occurs when an application requires a CLR version that is invalid or not installed on a given computer. In some cases, the activation system might not be able to find a version of the CLR to load. The common language runtime (CLR) activation system determines the version of the CLR that will be used to run managed application code.
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