I\'m trying to use Twitter\'s API and OAuth to send status updates (new Tweets). I am using Shannon Whitley .NET code example http://www.voiceoftech.com/swhitley/?p=681 (as reco
plus also see if your system's CLOCK is synched with internet; on windows you can do it by adjusting date time settings
because if you CLOCK is not synched you will get 401 unauthorized exception; best of luck cheers