Unknown Error: The application cannot be deployed because of an unknown error. Contact the application publisher for more information

[Animesh Dey]

Hi,
I am going to watch demo application of WPF. But I got the following error. So, what should I do. Please help me.

PLATFORM VERSION INFO
Windows : 6.1.7600.0 (Win32NT)
Common Language Runtime : 2.0.50727.4927
System.Deployment.dll : 2.0.50727.4927 (NetFXspW7.050727-4900)
mscorwks.dll : 2.0.50727.4927 (NetFXspW7.050727-4900)
dfshim.dll : 4.0.31106.0 (Main.031106-0000)


SOURCES
Deployment url : http://demos.telerik.com/wpf/Telerik.Windows.Examples.xbap


ERROR SUMMARY
Below is a summary of the errors, details of these errors are listed later in the log.
* An exception occurred while downloading the manifest. Following failure messages were detected:
+ Configuration system failed to initialize
+ '<', hexadecimal value 0x3C, is an invalid attribute character. Line 133, position 4. (C:\Windows\Microsoft.NET\Framework\v2.0.50727\Config\machine.config line 133)
+ '<', hexadecimal value 0x3C, is an invalid attribute character. Line 133, position 4.


COMPONENT STORE TRANSACTION FAILURE SUMMARY
No transaction error was detected.


WARNINGS
There were no warnings during this operation.


OPERATION PROGRESS STATUS
No phase information is available.


ERROR DETAILS
Following errors were detected during this operation.
* [7/7/2011 6:43:29 PM] System.Configuration.ConfigurationErrorsException
- Configuration system failed to initialize
- Source: System.Configuration
- Stack trace:
at System.Configuration.ClientConfigurationSystem.EnsureInit(String configKey)
at System.Configuration.ClientConfigurationSystem.PrepareClientConfigSystem(String sectionName)
at System.Configuration.ClientConfigurationSystem.System.Configuration.Internal.IInternalConfigSystem.GetSection(String sectionName)
at System.Configuration.ConfigurationManager.GetSection(String sectionName)
at System.Configuration.PrivilegedConfigurationManager.GetSection(String sectionName)
at System.Diagnostics.DiagnosticsConfiguration.GetConfigSection()
at System.Diagnostics.DiagnosticsConfiguration.Initialize()
at System.Diagnostics.DiagnosticsConfiguration.get_Sources()
at System.Diagnostics.TraceSource.Initialize()
at System.Net.Logging.InitializeLogging()
at System.Net.Logging.get_On()
at System.Net.WebRequest.Create(Uri requestUri, Boolean useUriBase)
at System.Net.WebRequest.Create(Uri requestUri)
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
at System.Deployment.Application.SystemNetDownloader.DownloadAllFiles()
at System.Deployment.Application.FileDownloader.Download(SubscriptionState subState)
at System.Deployment.Application.DownloadManager.DownloadManifestAsRawFile(Uri& sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadManifest(Uri& sourceUri, String targetPath, IDownloadNotification notification, DownloadOptions options, ManifestType manifestType, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifestDirect(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, IDownloadNotification notification, DownloadOptions options, ServerInformation& serverInformation)
at System.Deployment.Application.DownloadManager.DownloadDeploymentManifest(SubscriptionStore subStore, Uri& sourceUri, TempFile& tempFile, IDownloadNotification notification, DownloadOptions options)
at System.Deployment.Application.DeploymentManager.BindCore(Boolean blocking, TempFile& tempDeploy, TempDirectory& tempAppDir, FileStream& refTransaction, String& productName)
at System.Deployment.Application.DeploymentManager.BindAsyncWorker()
--- Inner Exception ---
System.Configuration.ConfigurationErrorsException
- '<', hexadecimal value 0x3C, is an invalid attribute character. Line 133, position 4. (C:\Windows\Microsoft.NET\Framework\v2.0.50727\Config\machine.config line 133)
- Source: System.Configuration
- Stack trace:
at System.Configuration.ConfigurationSchemaErrors.ThrowIfErrors(Boolean ignoreLocal)
at System.Configuration.BaseConfigurationRecord.ThrowIfParseErrors(ConfigurationSchemaErrors schemaErrors)
at System.Configuration.BaseConfigurationRecord.ThrowIfInitErrors()
at System.Configuration.ClientConfigurationSystem.EnsureInit(String configKey)
--- Inner Exception ---
System.Xml.XmlException
- '<', hexadecimal value 0x3C, is an invalid attribute character. Line 133, position 4.
- Source: System.Xml
- Stack trace:
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String[] args)
at System.Xml.XmlTextReaderImpl.Throw(Int32 pos, String res, String[] args)
at System.Xml.XmlTextReaderImpl.ParseAttributeValueSlow(Int32 curPos, Char quoteChar, NodeData attr)
at System.Xml.XmlTextReaderImpl.ParseAttributes()
at System.Xml.XmlTextReaderImpl.ParseElement()
at System.Xml.XmlTextReaderImpl.ParseElementContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlTextReader.Read()
at System.Xml.XmlTextReaderImpl.Skip()
at System.Xml.XmlTextReader.Skip()
at System.Configuration.XmlUtil.StrictSkipToNextElement(ExceptionAction action)
at System.Configuration.BaseConfigurationRecord.ScanSectionsRecursive(XmlUtil xmlUtil, String parentConfigKey, Boolean inLocation, String locationSubPath, OverrideModeSetting overrideMode, Boolean skipInChildApps)
at System.Configuration.BaseConfigurationRecord.ScanSections(XmlUtil xmlUtil)
at System.Configuration.BaseConfigurationRecord.InitConfigFromFile()


COMPONENT STORE TRANSACTION DETAILS
No transaction information is available.

[Vlad]

Hi,

 Have you tried to clear your XBAP cache (mage -cc in Visual Studio command prompt)? Alternatively you can download and run the desktop version of our demos. 

Greetings,
Vlad
the Telerik team

[Animesh Dey]

Hi Vlad,
Yes I cleared XBAP cache but got the same error.

Regards

Animesh