The problem may be due to causes?

What steps will reproduce the problem?
1. Log in with user name and password 

What is the expected output? What do you see instead?

Google.GData.Client.InvalidCredentialsException was unhandled
  HResult=-2146233088
  Message=Invalid credentials
  Source=Google.GData.Client
  StackTrace:
       at Google.GData.Client.Utilities.QueryClientLoginToken(GDataCredentials gc, String serviceName, String applicationName, Boolean fUseKeepAlive, IWebProxy proxyServer, Uri clientLoginHandler)
       at Google.GData.Client.GDataGAuthRequest.QueryAuthToken(GDataCredentials gc)
       at Google.GData.Client.GDataGAuthRequest.EnsureCredentials()
       at Google.GData.Client.GDataRequest.EnsureWebRequest()
       at Google.GData.Client.GDataGAuthRequest.EnsureWebRequest()
       at Google.GData.Client.GDataRequest.Execute()
       at Google.GData.Client.GDataGAuthRequest.Execute(Int32 retryCounter)
       at Google.GData.Client.GDataGAuthRequest.Execute()
       at Google.GData.Client.Service.Query(Uri queryUri, DateTime ifModifiedSince, String etag, Int64& contentLength)
       at Google.GData.Client.Service.Query(Uri queryUri, DateTime ifModifiedSince)
       at Google.GData.Client.Service.Query(FeedQuery feedQuery)
       at BloggerDevSample.ConsoleSample.ListUserBlogs(Service service) c:\Users\user58\Desktop\BloggerDevSample\BloggerDevSample\ConsoleSample.cs içinde: line 20
       at BloggerDevSample.ConsoleSample.Main(String[] args) c:\Users\user58\Desktop\BloggerDevSample\BloggerDevSample\ConsoleSample.cs içinde: line 305
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException: 

What version of the product are you using? On what operating system?
v2.0.50727 Windows 7 x64

Please provide any additional information below.
Original issue reported on code.google.com by bllkr...@gmail.com on 19 Jun 2013 at 7:08
AliAkbarMontazeri / google-gdata

The problem may be due to causes? #663
