In Windows 8 and especially on Windows RT, your ability to run Flash programs hosted on the web depends on whether a site is included on Microsoft's Compatibility View list. So what does it take to get added to that list? And what can you do if a favorite Flash-based site won't work?Source : The Ed Bott Report
Jean-Pierre Paradis's Blog
Internet Explorer
Windows 8
An inside look at Internet Explorer 10's mysterious Flash whitelist