If you have recently visited a page, including one on your site, where the Flash movie appears in the upper left corner of your web browser window then you have been affected by a known bug in the Adobe Flash player.
Adobe has acknowledged this bug in the Flash player that affects users of Internet Explorer 9 and Flash Player version 10.3.181.14 when using a computer with Intel HD Graphics adapters. This may sound like an awfully specific set of users and it may not affect you, but it does affect some users across the web.
I am mentioning this Flash bug here because many of our clients have Flash movies on their sites, in many cases right on the home page. Even if you do not see any issue with the pages on your site, some visitors to your site may experience the mis-located Flash movie.
As of now, Adobe has no fix that we can make to the code of the page or to the Flash movie itself. Adobe has outlined three possible solutions that all require your end users to take steps on their own, something we believe the typical end user will not do. One of those solutions involves installing an updated Flash player (released yesterday) which may or may not fix the display bug.
Steps to reproduce:
1.Simply run wherever there's Flash content.
Displays Flash content either not at all or in improper location
We are tracking and actively investigating the issues reported with Flash Player 10.3 and Internet Explorer 9. Users are reporting that SWF content is being displayed in the upper left corner of the screen. We want to give those of who are encountering these issues an update.
Update on Flash Player 10.3 and IE9 issues
May 24, 2011
Thanks to everyone who has provided information on their system and driver versions. This has helped us work on identifying a fix for the SWF rendering issue. This bug was exposed due to some changes we made to blocklist certain incompatible drivers from using hardware acceleration in Flash Player.
On some systems, you can resolve this issue by updating the Intel HD Graphics drivers. It has been reported that driver versions 22.214.171.1241 and later do not exhibit this bug. Unfortunately, some systems require updates directly from your system manufacturer. Adobe is working with system manufacturers to make sure that they include the latest drivers in future releases.
You can disable hardware acceleration in Internet Explorer 9 using the instructions on this page. Reenable hardware acceleration after this problem has been resolved to enjoy the full benefits of hardware acceleration.
Updated May 24 2011: A prerelease Flash Player to address this issue is now available for testing. Adobe is interested inhearing your feedback concerning this possible fix. If you encounter any new issues, report them, along with your feedback, through the Adobe Flash Player Bug Management System. See the instructions on this page for details on generating the information Adobe requires for further investigation.