Raphaël Franchet
added a comment - Apparently this is an IE9 bug acting when operating operations on hidden iframe.
http://stackoverflow.com/questions/13450190/zrssfeed-jquery-crash-on-ie-9-force-to-close
This seems to be related to Microsoft KB2761451, which was a security update that came out on November 13th, 2012.
We just can wait for a correction
Hi,
The development team determined this is a bug and is in progress fixing it. I will provide update as soon as new information comes up. Thanks.
http://social.technet.microsoft.com/Forums/en/w7itpronetworking/thread/6b19d8c2-6c1d-4fa1-a45d-7d4da4d7592b
Now its working correctly