Dell System Detect Error

Hi all,

If this is in the wrong forum, feel free to move it, administrators.

I am having problems getting System Detect to launch...

System.Deployment.Application.InvalidDeploymentException (ManifestParse)
        - Exception reading manifest from file:///D:/Downloads/Dell/DellSystemDetectLauncher.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)

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I can't make much sense out of the above error, but I have tried uninstalling said program and reinstalling it to no avail. I am running Windows 7 Home Premium 64-bit on a Dell Inspiron 620