发生了致命错误.找不到所需的库 hostfxr.dll [英] A fatal error occurred. The required library hostfxr.dll could not be found

问题描述

当我在其他计算机上运行我的 WPF 应用程序时，它会引发此错误:

When I run my WPF application on other computers it throws me this error:

Description: A .NET Core application failed.
Application: program.exe
Path: C:fakepathprogram.exe
Message: A fatal error occurred. The required library hostfxr.dll could not be found.
If this is a self-contained application, that library should exist in 
[C:fakepath].
If this is a framework-dependent application, install the runtime in the global location [C:Program 
Filesdotnet] or use the DOTNET_ROOT environment variable to specify the runtime location or 
register the runtime location in [HKLMSOFTWAREdotnetSetupInstalledVersionsx64InstallLocation].

添加库运行时 3.1.0 对我有帮助.

Add library runtime 3.1.0 it help me.

推荐答案

进一步 Ajith 的回答，部署模式:自包含"也可以在 Visual Studio 2019 中选择:

Further to Ajith's answer, "Deployment Mode: Self Contained" can also be selected in Visual Studio 2019 here:

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