Help !!! impossible d'ouvrir les plateformes calgo ctrader

 impossible to open calgo ctrader platforms since last night.
of all the brokers.and on my 2 computers.windows7
may be following an update?
here is the resumé;

details;

PLATFORM VERSION INFO

Windows : 6.1.7601.65536 (Win32NT)

Common Language Runtime : 4.0.30319.1026

System.Deployment.dll : 4.0.30319.1039 (RTMGDR.030319-1000)

clr.dll : 4.0.30319.1026 (RTMGDR.030319-1000)

dfdll.dll : 4.0.30319.1039 (RTMGDR.030319-1000)

dfshim.dll : 4.0.31106.0 (Main.031106-0000)

SOURCES

Deployment url : http://roboforex.ctrader.com/xTrader.application?/currentApplication=%22Automate%22

ERROR SUMMARY

Below is a summary of the errors, details of these errors are listed later in the log.

* Activation of http://roboforex.ctrader.com/xTrader.application?/currentApplication="Automate" resulted in exception. Following failure messages were detected:

+ Exception reading manifest from http://roboforex.ctrader.com/xTrader.application?/currentApplication=%22Automate%22: the manifest may not be valid or the file could not be opened.

+ Manifest XML signature is not valid.

+ SignatureDescription could not be created for the signature algorithm supplied.

COMPONENT STORE TRANSACTION FAILURE SUMMARY

No transaction error was detected.

WARNINGS

There were no warnings during this operation.

OPERATION PROGRESS STATUS

* [06/03/2019 09:31:02] : Activation of http://roboforex.ctrader.com/xTrader.application?/currentApplication="Automate" has started.

ERROR DETAILS

Following errors were detected during this operation.

* [06/03/2019 09:31:02] System.Deployment.Application.InvalidDeploymentException (ManifestParse)

- Exception reading manifest from http://roboforex.ctrader.com/xTrader.application?/currentApplication=%22Automate%22: 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.DownloadDeploymentManifestDirectBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)

at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestBypass(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, SubscriptionState& subState, IDownloadNotification notification, DownloadOptions options)

at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut, String textualSubId, String deploymentProviderUrlFromExtension, BrowserSettings browserSettings, String& errorPageUrl)

at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state)

--- Inner Exception ---

System.Deployment.Application.InvalidDeploymentException (SignatureValidation)

- Manifest XML signature is not valid.

- Source: System.Deployment

- Stack trace:

at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSignature(Stream s)

at System.Deployment.Application.ManifestReader.FromDocument(String localPath, ManifestType manifestType, Uri sourceUri)

--- Inner Exception ---

System.Security.Cryptography.CryptographicException

- SignatureDescription could not be created for the signature algorithm supplied.

- Source: System.Security

- Stack trace:

at System.Security.Cryptography.Xml.SignedXml.CheckSignedInfo(AsymmetricAlgorithm key)

at System.Security.Cryptography.Xml.SignedXml.CheckSignature(AsymmetricAlgorithm key)

at System.Security.Cryptography.Xml.SignedXml.CheckSignatureReturningKey(AsymmetricAlgorithm& signingKey)

at System.Deployment.Internal.CodeSigning.SignedCmiManifest.Verify(CmiManifestVerifyFlags verifyFlags)

at System.Deployment.Application.Manifest.AssemblyManifest.ValidateSignature(Stream s)

COMPONENT STORE TRANSACTION DETAILS

No transaction information is available.