The later version of the Microsoft.Identity.Client library no longer include the _MsalExtensionException_ type. See https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/pull/1949 This means that when using the NuGet package, the window shown is blank.
The later version of the Microsoft.Identity.Client library no longer include the MsalExtensionException type.
See AzureAD/microsoft-authentication-library-for-dotnet#1949
This means that when using the NuGet package, the window shown is blank.