The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel.

Question

Im trying to Authenticate to dropbox in my windows store app and I'm getting this error while trying to get the ResponseAsync.

how can i resolve this issue because i can't continue .

PLEASE HELP 

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19karabo91

Answer 1

It sounds like your machine does not have the same cyphersuites on it as the dropbox machine.  Are you able to access the same dropbox URL from IE?

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Matt Small - Microsoft Escalation Engineer - Forum Moderator
If my reply answers your question, please mark this post as answered.

NOTE: If I ask for code, please provide something that I can drop directly into a project and run (including XAML), or an actual application project. I'm trying to help a lot of people, so I don't have time to figure out weird snippets with undefined objects and unknown namespaces.

Answer 2

yes I'm able to access it on IE and it used to work fine before but now its throwing exceptions

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19karabo91