Unable to connect server explorer for azure subscription

Dear Friends,

When I was tried to connect azure subscription in visual studio 2013 and it ended with below error.

Can anyone let me know how to fix this?

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Server Explorer
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An error occurred during the sign in process: There was an error checking start element of object of type Microsoft.VisualStudio.WindowsAzure.CommonAzureTools.ServiceManagement.SubscriptionList. CData elements not valid at top level of an XML document. Line 1, position 3.
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OK   
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Greatly appretiate your help!.

Thanks,

Saravanabharathi.A

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Thanks, SaravanaBharathi.A