OCTGN

i updated to 3.5 sp1

and then i downloaded and tried to install

i got this error (after hitting the detail button)

PLATFORM VERSION INFO
Windows : 6.0.6001.65536 (Win32NT)
Common Language Runtime : 2.0.50727.1434
System.Deployment.dll : 2.0.50727.1434 (REDBITS.050727-1400)
mscorwks.dll : 2.0.50727.1434 (REDBITS.050727-1400)
dfdll.dll : 2.0.50727.1434 (REDBITS.050727-1400)
dfshim.dll : 2.0.50727.1434 (REDBITS.050727-1400)

SOURCES
Deployment url : www.octgn.net/octgn-clientOCTGN.application

ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* Activation of www.octgn.net/octgn-clientOCTGN.application resulted in exception. Following failure messages were detected:
+ Exception reading manifest from www.octgn.net/octgn-clientOCTGN.application: the manifest may not be valid or the file could not be opened.
+ Manifest XML signature is not valid.
+ No signature was present in the subject.

COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.

WARNINGS
There were no warnings during this operation.

OPERATION PROGRESS STATUS
* [5/29/2009 1:48:48 AM] : Activation of www.octgn.net/octgn-clientOCTGN.application has started.

ERROR DETAILS
Following errors were detected during this operation.
* [5/29/2009 1:48:48 AM] System.Deployment.Application.InvalidDeploymentException (ManifestParse)
- Exception reading manifest from www.octgn.net/octgn-clientOCTGN.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)
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
- No signature was present in the subject.

- Source: System.Deployment
- Stack trace:
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.