play-windows run error

gistfile1.txt

PLATFORM VERSION INFO
	Windows 			: 6.1.7601.65536 (Win32NT)
	Common Language Runtime 	: 4.0.30319.269
	System.Deployment.dll 		: 4.0.30319.1 (RTMRel.030319-0100)
	clr.dll 			: 4.0.30319.269 (RTMGDR.030319-2600)
	dfdll.dll 			: 4.0.30319.1 (RTMRel.030319-0100)
	dfshim.dll 			: 4.0.31106.0 (Main.031106-0000)

SOURCES
	Deployment url			: http://play-windows.s3.amazonaws.com/Play.application

ERROR SUMMARY
	Below is a summary of the errors, details of these errors are listed later in the log.
	* Activation of http://play-windows.s3.amazonaws.com/Play.application resulted in exception. Following failure messages were detected:
		+ Exception reading manifest from http://play-windows.s3.amazonaws.com/Play.application: 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
	* [2012-05-31 17:02:57] : Activation of http://play-windows.s3.amazonaws.com/Play.application has started.

ERROR DETAILS
	Following errors were detected during this operation.
	* [2012-05-31 17:02:58] System.Deployment.Application.InvalidDeploymentException (ManifestParse)
		- Exception reading manifest from http://play-windows.s3.amazonaws.com/Play.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.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.

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