visual-studio-2017 - 无法安装 Visual Studio 2017 RC (15.0.26014.0) 的扩展和更新

Question

我最近安装了 Visual Studio 2017 RC (15.0.26014.0) 并尝试安装扩展。但是，使用工具-> 扩展和更新菜单安装任何扩展失败。以下是安装日志。

27-Dec-16 10:35:19 AM - Beginning to install extension to Microsoft Visual  Studio Enterprise 2017 RC...
27-Dec-16 10:35:19 AM - Install Error : System.IO.FileNotFoundException: Unable to find the specified file.
at Microsoft.VisualStudio.ExtensionManager.ExtensionEngineImpl.GetCurrentSetupInstance()
at  Microsoft.VisualStudio.ExtensionManager.ExtensionEngineImpl.PerformSetupEngineInstall(InstallableExtensionImpl extension, Boolean installPerMachine, Boolean isPackComponent, IDictionary`2 extensionsInstalledSoFar, List`1 extensionsUninstalledSoFar, IInstalledExtensionList modifiedInstalledExtensionsList, IProgress`1 progress, InstallFlags installFlags, AsyncOperation asyncOp, IInstalledExtension& newExtension)
Microsoft.VisualStudio.ExtensionManager.ExtensionEngineImpl.InstallInternal    (InstallableExtensionImpl extension, InstallFlags installFlags, IDictionary`2 extensionsInstalledSoFar, List`1 extensionsUninstalledSoFar,
IInstalledExtensionList modifiedInstalledExtensionsList, AsyncOperation asyncOp, IProgress`1 progress)
at Microsoft.VisualStudio.ExtensionManager.ExtensionEngineImpl.BeginInstall(IInstallableExtension installableExtension, InstallFlags installFlags, AsyncOperation asyncOp)
at Microsoft.VisualStudio.ExtensionManager.ExtensionEngineImpl.InstallWorker(IInstallableExtension extension, InstallFlags installFlags, AsyncOperation asyncOp)

我检查并发现临时文件夹中存在相应的 VSIX 文件 (C:\Users\xxxxx\AppData\Local\Temp)

Answer 1

我目前遇到同样的问题。根据 this post ，修复安装可能会有所帮助。