【问题标题】:Visual Studio "15" Preview uninstallVisual Studio“15”预览版卸载
【发布时间】:2017-02-14 11:44:15
【问题描述】:

我正在尝试安装 VS“15”预览版 5,我已经启动了新的安装程序,现在它说我必须卸载以前的版本(预览版 4)。 当我单击删除按钮时,卸载过程失败,这是日志文件中的错误:

2016-10-05T23:20:59 : Verbose : Getting installed product. [installerId: SetupEngine, installationId: 9554cc50, productId: Microsoft.VisualStudio.Product.Enterprise]

2016-10-05T23:20:59 : Verbose : Calling SetupEngine.Installer.UninstallProduct. [installPath: 'C:\Program Files (x86)\Microsoft Visual Studio\VS15Preview']

2016-10-05T23:20:59 : Error : Failed to get installed product. [installerId: SetupEngine, installationId: 9554cc50, productId: Microsoft.VisualStudio.Product.Enterprise, error: Sequence contains more than one element at    at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source)
   at Microsoft.VisualStudio.Setup.Cache.CommonExtensions.GetProduct(IInstance instance, Boolean installedOnly)
   at Microsoft.VisualStudio.Setup.InstalledProductsProviderService.CorrectChannelInformation(Instance instance)
   at Microsoft.VisualStudio.Setup.InstalledProductsProviderService.GetInstalledProductForPathImpl(String path)
   at Microsoft.VisualStudio.Setup.InstalledProductsProviderService.GetInstalledProductImpl(InstalledProductSummary productSummary)
   at Microsoft.VisualStudio.Setup.InstalledProductsProviderService.GetInstalledProduct(InstalledProductSummary productSummary)]

2016-10-05T23:20:59 : Verbose : SetupEngine.Installer.UninstallProduct reported error.  [InvalidOperationException: Sequence contains more than one element at    at System.Linq.Enumerable.SingleOrDefault[TSource](IEnumerable`1 source)
   at Microsoft.VisualStudio.Setup.Cache.CommonExtensions.GetProduct(IInstance instance, Boolean installedOnly)
   at Microsoft.VisualStudio.Setup.Cache.CacheRepository.GetAvailablePackages()
   at Microsoft.VisualStudio.Setup.Engine.Initialize()
   at Microsoft.VisualStudio.Setup.Engine.Uninstall(CancellationToken token)
   at Microsoft.VisualStudio.Setup.InstallerService.UninstallProductImpl(InstalledProductSummary productSummary, TelemetryContext telemetryContext, CancellationToken cancellationToken)
   at Microsoft.VisualStudio.Setup.InstallerService.UninstallProduct(InstalledProductSummary productSummary, TelemetryContext telemetryContext, CancellationToken cancellationToken)]

2016-10-05T23:21:00 : Verbose : Getting installed product summaries. [installerId: SetupEngine]

2016-10-05T23:21:00 : Verbose : Getting product summaries. [installerId: SetupEngine]

有人可以帮我吗?

【问题讨论】:

    标签: visual-studio uninstallation logfile visual-studio-2017


    【解决方案1】:

    在尝试预览版 5 之前,您必须卸载所有以前版本的 Visual Studio ‘15’,并且您可以通过 Visual Studio 安装程序卸载以前的版本或使用控制面板中的“卸载程序”。当 Visual Studio 安装程序无法工作时,我们可以手动删除 Visual Studio,如下所示:

    1. 关闭 Visual Studio 安装程序

    2. 删除文件夹 %ProgramData%\Microsoft\VisualStudio\Packages\

    3. 删除Visual Studio文件夹安装文件夹(一般在%ProgramFiles(x86)%\Microsoft Visual Studio\VS15Preview下)

    4. 之后,之前的安装将被删除。再次启动 Visual Studio Preview ‘15’ 的 Visual Studio Installer 进行安装 更多关于VS预览版‘15’安装的详细信息,可以查看here

    【讨论】:

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