http://blogs.msdn.com/b/mohamedg/archive/2012/10/13/how-to-use-credentialcache-defaultnetworkcredentials-with-windows-store-apps.aspxDisclaimer: I'm still getting acquainted with Windows Store Apps, so I could be totally wrong; proceed with caution. It's been a while since I last wrote a blog post, and it's 4 AM right now, this may give you an idea why I had to get this out. Hopefullyen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)