Is this fixed now?
I am getting the same problem
this is in general with the control panel also when trying to install Open Access ORM
Application Version: 2012.2.809.0
Description: Internet connectivity failure
Details:
Telerik.CommonInstaller.ProductInfoService.ProductInfoServiceConnectivityException: Failed to retrieve ControlPanelValidationVersions.xml from ProductInfoService. ---> System.Net.WebException: The remote server returned an error: (407) Proxy Authentication Required.
at System.Net.HttpWebRequest.GetResponse()
at Telerik.CommonInstaller.ProductInfoService.ProductInfoService.DeserializeRemoteObject[T](String sourceUri, String sourceName)
--- End of inner exception stack trace ---
at Telerik.CommonInstaller.ProductInfoService.ProductInfoService.DeserializeRemoteObject[T](String sourceUri, String sourceName)
at Telerik.CommonInstaller.ProductInfoService.ProductInfoService.get_ControlPanelValidationVersions()
at Telerik.CommonInstaller.Application.Services.DeprecationService.GetControlPanelMinVersion()
at Telerik.CommonInstaller.Application.Services.DeprecationService.CheckControlPanelDeprecated()
at Telerik.CommonInstaller.ControlPanel.App.CheckIsDeprecated()
at Telerik.CommonInstaller.InstallerUIBase.ApplicationBase.OnStartup(StartupEventArgs e)
at System.Windows.Application.<.ctor>b__1(Object unused)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)