According to http://blogs.msdn.com/b/microsoft_press/archive/2012/10/29/free-ebook-programming-windows-8-apps-with-html-css-and-javascript.aspx http://blogs.msd

According to http://blogs.msdn.com/b/microsoft_press/archive/2012/10/29/free-ebook-programming-windows-8-apps-with-html-css-and-javascript.aspx http://blogs.msdn.com/b/microsoft_press/archive/2012/10/29/f... on p.36, ipc between apps is blocked for Win 8 Store apps. If this is required by an application, you have to run it in the desktop. Deprecating the desktop won't be simple if such ipc is integral to how the applications function.