Installed SW 2010, Now Edrawings can't be viewed by recipients

Hello,

I've recently installed SW 2010 (which included an update to Edrawings). I have tried both publishing or "saving as". When I send it to someone (with SW 2009) they cannot open it. I've had them do a "ckeck for updates" and they are running the current version of edrawings.

Any help appreciated!

Thank you

SolidworksEdrawings