How to fix the FLECS Add-on and Internet Explorer 9 incompatibility

The FLECS Add-on will cause Internet Explorer 9 to stop responding or crash


An update to the FLECS Add-on that fixes the compatibility issue is not available yet. 

To resolve this incompatibility, disable the FLECS Add-on by following these steps:

  1. Close all Internet Explorer windows.

  2. Open a new Internet Explorer window.

  3. When you receive the FLECS Add-on incompatibility notification, click Keep it disabled or ignore the notification.

Note: FLECS Add-on may not work correctly when the add-on is disabled.


For more information on browser add-ons, refer to these Microsoft Web sites:

More Information

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