Experiences on the Front Lines of User Interfaces and Web Development

IE9 Flash not rendering when wmode is set to opaque or transparent

I have a Windows 7 64-bit installation, with IE9 and the latest version of Flash (10.3.181.34) installed.  I was not able to view most flash in webpages, even the "about flash" page on Adobe's site.

There is a long thread with various workarounds and solutions (which all were promised to be unnecessary once 10.3.181.16 was released), but it was not until the 3rd page that I found a hint which allowed me to fix the issue.

My solution:
  1. Go to IE9 > Tools > Internet Options > Advanced.
  2. Check the "Do not save encrypted pages to disk" option
  3. Restart IE9
  4. View http://www.adobe.com/software/flash/about/ and shake head at Adobe and Microsoft



This seems like the more secure option, so not sure why it wasn't set...hopefully this doesn't break something else in IE! I did not do further research on this specific option or why it was at all related to Flash rendering (and only flash that had wmode=opaque or wmode=transparent).  Sigh.
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