Win10SDK_Hidden_10.0.10240_2,version=10.0.10240.108
貌似只差这个了，重下了几十次都失败，2017真要逼死强迫症吗。

一样的情况
未能安装包“Win10SDK_Hidden_10.0.10240_2,version=10.0.10240.117”。
搜索 URL
https://aka.ms/VSSetupErrorReports?q=PackageId=Win10SDK_Hidden_10.0.10240_2;PackageAction=Install;ReturnCode=1603
详细信息
已执行的命令: "c:\windows\syswow64\\windowspowershell\v1.0\powershell.exe" -NonInteractive -NoLogo -NoProfile -ExecutionPolicy Bypass -InputFormat None "$ErrorActionPreference="""Stop"""; $VerbosePreference="""Continue"""; $CeipSetting="""on"""; $ScriptPath="""C:\ProgramData\Microsoft\VisualStudio\Packages\Win10SDK_Hidden_10.0.10240_2,version=10.0.10240.117\WinSdkInstall.ps1"""; $SetupExe="""sdksetup.exe"""; $SetupLogFolder="""standalonesdk"""; $PackageId="""Win10SDK_Hidden_10.0.10240_2"""; $LogFile="""C:\Users\Administrator\AppData\Local\Temp\dd_setup_20170905163627_005_Win10SDK_Hidden_10.0.10240_2.log"""; $SetupParameters="""/features OptionId.AvrfExternal OptionId.WindowsSoftwareDevelopmentKit OptionId.WindowsSoftwareLogoToolkit /quiet /norestart"""; $PayloadsNotYetDownloaded=1; (gc $ScriptPath | out-string) | Invoke-Expression; if (!$?) { exit 1603 } elseif ($LastExitCode) { exit $LastExitCode }"
返回代码: 1603
返回代码详细信息: 安装时发生严重错误
日志
C:\Users\Administrator\AppData\Local\Temp\dd_setup_20170905163627_005_Win10SDK_Hidden_10.0.10240_2.log
工作负荷受到影响
通用 Windows 平台开发 (Microsoft.VisualStudio.Workload.Universal,version=15.0.26720.2)
组件受到影响
Windows 10 SDK (10.0.10240.0) (Microsoft.VisualStudio.Component.Windows10SDK.10240,version=15.0.26208.0)

挂个代理再下，一个不行就换另一个，我就是这样就下载成功了