我下载了Windows最新版本的Visual Studio代码。
当我尝试通过应用程序本身下载并安装扩展程序时，出现了Failed to install extension x错误。
当我然后单击Download Manually并双击以进行安装时，出现以下错误：
安装失败。安装无法安装 扩展到所有选定产品。有关更多信息，请单击 对话框底部的安装日志链接。
这是该日志中显示的内容：
2019-11-29 9:17:27 AM - Searching for applicable products...
2019-11-29 9:17:27 AM - Found installed product - Microsoft Visual Studio Professional 2015
2019-11-29 9:17:27 AM - Found installed product - Microsoft Visual Studio Community 2015
2019-11-29 9:17:27 AM - Found installed product - Microsoft Visual Studio 2015 Shell (Integrated)
2019-11-29 9:17:27 AM - Found installed product - Global Location
2019-11-29 9:17:27 AM - Found installed product - ssms
2019-11-29 9:17:27 AM - VSIXInstaller.NoApplicableSKUsException: This extension is not installable on any currently installed products.
at VSIXInstaller.App.InitializeInstall(Boolean isRepairSupported)
at VSIXInstaller.App.InitializeInstall()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
出了什么问题？