Unable to Install on Wondows 7

[mandarkn]

I am getting an error "application cannot be started. Contact the application administrator". When I click Details I see following error summary

ERROR SUMMARY Below is a summary of the errors, details of these errors are listed later in the log. * Activation of http://sourcelog.apphb.com/SourceLog.application resulted in exception. Following failure messages were detected: + Specified cast is not valid.

COMPONENT STORE TRANSACTION FAILURE SUMMARY No transaction error was detected.

WARNINGS * The manifest for this application does not have a signature. Signature validation will be ignored. * The manifest for this application does not have a signature. Signature validation will be ignored.

OPERATION PROGRESS STATUS * [4/23/2015 9:43:33 AM] : Activation of http://sourcelog.apphb.com/SourceLog.application has started. * [4/23/2015 9:43:34 AM] : Processing of deployment manifest has successfully completed. * [4/23/2015 9:43:34 AM] : Installation of the application has started.

ERROR DETAILS Following errors were detected during this operation. * [4/23/2015 9:43:34 AM] System.InvalidCastException - Specified cast is not valid. - Source: System.Deployment - Stack trace: at System.Deployment.Application.DownloadManager.VerifyRequestedPrivilegesSupport(String requestedExecutionLevel) at System.Deployment.Application.DownloadManager.DownloadApplicationManifest(AssemblyManifest deploymentManifest, String targetDir, Uri deploymentUri, IDownloadNotification notification, DownloadOptions options, Uri& appSourceUri, String& appManifestPath) at System.Deployment.Application.DownloadManager.DownloadApplicationManifest(AssemblyManifest deploymentManifest, String targetDir, Uri deploymentUri, Uri& appSourceUri, String& appManifestPath) at System.Deployment.Application.ApplicationActivator.DownloadApplication(SubscriptionState subState, ActivationDescription actDesc, Int64 transactionId, TempDirectory& downloadTemp) at System.Deployment.Application.ApplicationActivator.InstallApplication(SubscriptionState& subState, ActivationDescription actDesc) 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)

COMPONENT STORE TRANSACTION DETAILS No transaction information is available.