Also tried manual Visx installation and got this error.
5/16/2019 5:10:51 PM - Microsoft VSIX Installer
5/16/2019 5:10:51 PM - -------------------------------------------
5/16/2019 5:10:51 PM - vsixinstaller.exe version:
5/16/2019 5:10:51 PM - 16.0.2264
5/16/2019 5:10:51 PM - -------------------------------------------
5/16/2019 5:10:51 PM - Command line parameters:
5/16/2019 5:10:51 PM - C:\program files (x86)\microsoft visual studio\installer\resources\app\ServiceHub\Services\Microsoft.VisualStudio.Setup.Service\VSIXInstaller.exe,C:\Program Files (x86)\Syncfusion\Essential Studio\Xamarin\17.1.0.38\Utilities\Extensions\Syncfusion Xamarin VSExtensions.vsix
5/16/2019 5:10:51 PM - -------------------------------------------
5/16/2019 5:10:51 PM - Microsoft VSIX Installer
5/16/2019 5:10:51 PM - -------------------------------------------
5/16/2019 5:10:51 PM - Found setup instance a27d5d71 but not in launchable state.
5/16/2019 5:10:51 PM - Initializing Install...
5/16/2019 5:10:52 PM - Extension Details...
5/16/2019 5:10:52 PM - Identifier : 8C2693B0-C425-42DF-81B3-3B9AF8EC1EB2
5/16/2019 5:10:52 PM - Name : Syncfusion Xamarin VSExtensions
5/16/2019 5:10:52 PM - Author : Syncfusion Inc
5/16/2019 5:10:52 PM - Version : 17.1.0.38
5/16/2019 5:10:52 PM - Description : Syncfusion UI for Xamarin Visual Studio extensions.
5/16/2019 5:10:52 PM - Locale : en-US
5/16/2019 5:10:52 PM - MoreInfoURL : https://help.syncfusion.com/extension/xamarin-extension/syncfusion-project-templates
5/16/2019 5:10:52 PM - InstalledByMSI : False
5/16/2019 5:10:52 PM - SupportedFrameworkVersionRange : [0.0,2147483647.2147483647]
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - SignatureState : Unsigned
5/16/2019 5:10:52 PM - Supported Products :
5/16/2019 5:10:52 PM - Microsoft.VisualStudio.Community
5/16/2019 5:10:52 PM - Version : [14.0,17.0)
5/16/2019 5:10:52 PM - Microsoft.VisualStudio.Pro
5/16/2019 5:10:52 PM - Version : [14.0,17.0)
5/16/2019 5:10:52 PM - Microsoft.VisualStudio.Enterprise
5/16/2019 5:10:52 PM - Version : [14.0,17.0)
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - References :
5/16/2019 5:10:52 PM - -------------------------------------------------------
5/16/2019 5:10:52 PM - Identifier : C50B6212-6891-4BAD-8FF0-AE14DA9E4B93
5/16/2019 5:10:52 PM - Name : Syncfusion Xamarin Toolbox
5/16/2019 5:10:52 PM - Version :
5/16/2019 5:10:52 PM - MoreInfoURL :
5/16/2019 5:10:52 PM - Nested : Yes
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - -------------------------------------------------------
5/16/2019 5:10:52 PM - Identifier : Syncfusion.Xamarin.ItemTemplate.0def1ee1-27d8-4e22-b16b-1a7438b55be6
5/16/2019 5:10:52 PM - Name : Syncfusion.Xamarin.ItemTemplate
5/16/2019 5:10:52 PM - Version :
5/16/2019 5:10:52 PM - MoreInfoURL :
5/16/2019 5:10:52 PM - Nested : Yes
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - -------------------------------------------------------
5/16/2019 5:10:52 PM - Identifier : 2d920423-9fc7-40fe-9eca-6cad5ab3b238
5/16/2019 5:10:52 PM - Name : Syncfusion.Menu.Common
5/16/2019 5:10:52 PM - Version :
5/16/2019 5:10:52 PM - MoreInfoURL :
5/16/2019 5:10:52 PM - Nested : Yes
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - Prerequisites :
5/16/2019 5:10:52 PM - -------------------------------------------------------
5/16/2019 5:10:52 PM - Identifier : Microsoft.VisualStudio.Component.CoreEditor
5/16/2019 5:10:52 PM - Name : Visual Studio core editor
5/16/2019 5:10:52 PM - Version : [15.0,)
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - Signature Details...
5/16/2019 5:10:52 PM - Extension is not signed.
5/16/2019 5:10:52 PM -
5/16/2019 5:10:52 PM - Searching for applicable products...
5/16/2019 5:10:52 PM - Found installed product - Global Location
5/16/2019 5:10:52 PM - VSIXInstaller.NoApplicableSKUsException: This extension is not installable on any currently installed products.
at VSIXInstaller.ExtensionService.GetInstallableData(String vsixPath, String extensionPackParentName, Boolean isRepairSupported, IStateData stateData, IEnumerable`1& skuData)
at VSIXInstaller.ExtensionPackService.IsExtensionPack(IStateData stateData, Boolean isRepairSupported)
at VSIXInstaller.ExtensionPackService.ExpandExtensionPackToInstall(IStateData stateData, Boolean isRepairSupported)
at VSIXInstaller.App.Initialize(Boolean isRepairSupported)
at VSIXInstaller.App.Initialize()
at System.Threading.Tasks.Task`1.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.VisualStudio.Telemetry.WindowsErrorReporting.WatsonReport.GetClrWatsonExceptionInfo(Exception exceptionObject)