Cannot Start Application

Hello There,

kindly please help me to solve this problem on my Ctrader Dekstop:
- when i start the application there were pop up like below:

"Cannot continue. The application is improperly formatted. Contact the application vendor for assistance."

- then i click details, and tell me:

"

PLATFORM VERSION INFO
    Windows             : 10.0.19041.0 (Win32NT)
    Common Language Runtime     : 4.0.30319.42000
    System.Deployment.dll         : 4.8.4240.0 built by: NET48REL1LAST_B
    clr.dll             : 4.8.4250.0 built by: NET48REL1LAST_C
    dfdll.dll             : 4.8.4240.0 built by: NET48REL1LAST_B
    dfshim.dll             : 10.0.19041.1 (WinBuild.160101.0800)

SOURCES
    Deployment url            : file:///C:/Users/User/Desktop/IC%20Markets%20cTrader.appref-ms%7C

ERROR SUMMARY
    Below is a summary of the errors, details of these errors are listed later in the log.
    * Activation of C:\Users\User\Desktop\IC Markets cTrader.appref-ms| resulted in exception. Following failure messages were detected:
        + Exception reading manifest from http://icmarkets.ctrader.com/xTrader.application: the manifest may not be valid or the file could not be opened.
        + DTD is prohibited in this XML document.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
    No transaction error was detected.

WARNINGS
    There were no warnings during this operation.

OPERATION PROGRESS STATUS
    * [10/20/2020 8:27:57 PM] : Activation of C:\Users\User\Desktop\IC Markets cTrader.appref-ms| has started.
    * [10/20/2020 8:27:57 PM] : Performing necessary update check as specified by the deployment.

ERROR DETAILS
    Following errors were detected during this operation.
    * [10/20/2020 8:27:57 PM] System.Deployment.Application.InvalidDeploymentException (ManifestParse)
        - Exception reading manifest from http://icmarkets.ctrader.com/xTrader.application: the manifest may not be valid or the file could not be opened.
        - Source: System.Deployment
        - Stack trace:
            at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)
            at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirect(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
            at System.Deployment.Application.DownloadManager.DownloadDeploymentManifest(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, IDownloadNotification notification, DownloadOptions options)
            at System.Deployment.Application.ApplicationActivator.PerformDeploymentUpdate(SubscriptionState& subState, String& errorPageUrl)
            at System.Deployment.Application.ApplicationActivator.ProcessOrFollowShortcut(String shortcutFile, String& errorPageUrl, TempFile& deployFile)
            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.Xml.XmlException
        - DTD is prohibited in this XML document.
        - Source: System.Xml
        - Stack trace:
            at System.Xml.XmlTextReaderImpl.Throw(Exception e)
            at System.Xml.XmlTextReaderImpl.ParseDoctypeDecl()
            at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
            at System.Deployment.Application.ManifestValidatingReader.XmlFilteredReader.Read()
            at System.Xml.XsdValidatingReader.Read()
            at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)

COMPONENT STORE TRANSACTION DETAILS
    No transaction information is available.

"

Any suggestions?