I'm trying to add reCaptcha Enterprise NuGet package "Google.Cloud.RecaptchaEnterprise.V1" for .net framework 4.5 but facing below issue. I tried to change the framework version and NuGet package version but no luck. Can anyone please suggest how it can be fixed. I found limited supporting material for reCaptcha Enterprise all where mostly are reCaptcha V3.

Could not install package 'Google.Cloud.RecaptchaEnterprise.V1 1.4.0'. You are trying to install this package into a project that targets '.NETFramework,Version=v4.5.1', but the package does not contain any assembly references or content files that are compatible with that framework. For more information, contact the package author.*

CodePudding user response：

As the same error message is saying, Google.Cloud.RecaptchaEnterprise.V1 is not compatible with .NET Framework 4.5. The following link has the compatible Google.Cloud.RecapltchaEnterprise’s version and release for .NET Framework 4.5 Release 1.55.0.2437:

In case it doesn’t work, that’s the task, look for the compatible release.