install log: 05/07/2017 14:16:10 - System.IO.FileNotFoundException: C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\ at System.Diagnostics.FileVersionInfo.GetVersionInfo(String fileName) at VSIXInstaller.SupportedVSSKU.get_VersionWithBuildRevisionInfo() at VSIXInstaller.App.IsValidSKUForExtension(SupportedVSSKU supportedSKU, IExtension extension, List`1 validSKUs) at VSIXInstaller.App.ShouldAddSkuToValidSkuList(SupportedVSSKU sku, IInstallableExtension extension, List`1 validSKUs) at VSIXInstaller.App.GetInstallableData(String vsixPath, Boolean isRepairSupported, IEnumerable`1& skuData) at VSIXInstaller.App.Initialize(Boolean isRepairSupported) at VSIXInstaller.App.Initialize() at System.Threading.Tasks.Task`1.InnerInvoke() at System.Threading.Tasks.Task.Execute()