Some users have found in Safari that cloud.contentraven.com can freeze while authenticating.
Content Raven does require SilverLight Plug-In. Please check for your version of SilverLight. If an update to SilverLight is available please update to the latest version. We have found that this fixes the issue in Safari.
Click here to get the latest version of Microsoft
*Many thanks to Content Raven User Ted for his input into this issue