Ctrader Desktop Not installable

When trying to install the desktop version , it is asking to confirm the windows security certificate. Upon confirming the security certificate, the installation is closed abruptly and the following details are displayed in log file, can somebody tell me whats wrong:-

PLATFORM VERSION INFO
    Windows             : 10.0.16299.0 (Win32NT)
    Common Language Runtime     : 4.0.30319.42000
    System.Deployment.dll         : 4.8.3761.0 built by: NET48REL1
    clr.dll             : 4.8.4150.0 built by: NET48REL1LAST_C
    dfdll.dll             : 4.8.3761.0 built by: NET48REL1
    dfshim.dll             : 10.0.16299.15 (WinBuild.160101.0800)

SOURCES
    Deployment url            : http://octafx.ctrader.com/xTrader.application
                        Server        : nginx
    Deployment Provider url        : http://octafx.ctrader.com/xTrader.application
    Application url            : https://sdl.ctrader.com/octafx/cTrader%20AppFiles/3.7.65534.35807/xTrader.exe.manifest
                        Server        : nginx/1.12.2

IDENTITIES
    Deployment Identity        : octafx cTrader, Version=3.7.65534.35807, Culture=neutral, PublicKeyToken=7ef853fc4bdbd138, processorArchitecture=msil
    Application Identity        : octafx cTrader, Version=3.7.65534.35807, Culture=neutral, PublicKeyToken=7ef853fc4bdbd138, processorArchitecture=msil, type=win32

APPLICATION SUMMARY
    * Installable application.
    * Trust url parameter is set.
ERROR SUMMARY
    Below is a summary of the errors, details of these errors are listed later in the log.
    * Activation of http://octafx.ctrader.com/xTrader.application resulted in exception. Following failure messages were detected:
        + Downloading https://sdl.ctrader.com/octafx/cTrader AppFiles/3.7.65534.35807/cTrader.Indicators.PCL.dll did not succeed.
        + The remote server returned an error: (403) Forbidden.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
    No transaction error was detected.

WARNINGS
    There were no warnings during this operation.

OPERATION PROGRESS STATUS
    * [5/21/2020 7:26:05 PM] : Activation of http://octafx.ctrader.com/xTrader.application has started.
    * [5/21/2020 7:26:05 PM] : Processing of deployment manifest has successfully completed.
    * [5/21/2020 7:26:05 PM] : Installation of the application has started.
    * [5/21/2020 7:26:07 PM] : Processing of application manifest has successfully completed.
    * [5/21/2020 7:26:23 PM] : Found compatible runtime version 4.0.30319.
    * [5/21/2020 7:26:23 PM] : Request of trust and detection of platform is complete.

ERROR DETAILS
    Following errors were detected during this operation.
    * [5/21/2020 7:34:50 PM] System.Deployment.Application.DeploymentDownloadException (Unknown subtype)
        - Downloading https://sdl.ctrader.com/octafx/cTrader AppFiles/3.7.65534.35807/cTrader.Indicators.PCL.dll did not succeed.
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
            at System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
            at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState, X509Certificate2 clientCertificate)
            at System.Deployment.Application.DownloadManager.DownloadDependencies(SubscriptionState subState, AssemblyManifest deployManifest, AssemblyManifest appManifest, Uri sourceUriBase, String targetDirectory, String group, IDownloadNotification notification, DownloadOptions options)
            at System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState subState, ActivationDescription actDesc, Int64 transactionId, TempDirectory& downloadTemp)
            at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState& subState, ActivationDescription actDesc)
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl, Uri& deploymentUri)
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivationWithRetry(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
--- End of stack trace from previous location where exception was thrown ---
            at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivationWithRetry(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)
            at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)
        --- Inner Exception ---
        System.Net.WebException
        - The remote server returned an error: (403) Forbidden.
        - Source: System
        - Stack trace:
            at System.Net.HttpWebRequest.GetResponse()
            at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)

COMPONENT STORE TRANSACTION DETAILS
    No transaction information is available.

Thanks

Prashant