Adobe Reader plug-in and Acrobat plug-in are not compatible with the Safari 5.1 browser, included with Mac OS 10.7 and for 10.6 in July 2011. Adobe Reader and Acrobat continue to work as stand-alone applications on Mac OS 10.7 and 10.6, and render PDF documents outside the browser. Click here to download the Mac Add-in. Save the file when prompted; by default, it's saved in the Downloads folder. Open the Downloads folder and open acaddinmac256.z to extract the package (the package name is adobeconnectaddin-installer.pkg). Open adobeconnectaddin-installer.pkg to launch the installer. If you use After Effects on Mac OS X v10.10 (Yosemite), update to Mac OS X v10.10.5. We can see in our crash reporter data that a lot of folks are experiencing crashes when using After Effects on Mac OS X v10.10 (Yosemite). These crashes are nearly all occurring on old versions of Mac OS.
Adobe plans to start upgrading Connect 9 hosted customers to the Adobe Connect 9 Update 3 (9.0.3) in March 2013.
This update requires a new Adobe Connect Mac Add-in for functionality specific to meeting hosts and presenters on Mac. You will be asked to install the new Mac Add-in in the following circumstances:
The new Mac Add-in fixes the following bugs:
The new Mac Add-in is backwards compatible, so you can download and install it before 9.0.3 upgrade. The version of the new Mac Add-in is 11.2.256.0
Refit for mac yosemite 10. After the upgrade to Yosemite I had a problem with rEFIt. I found the following solution on ubuntuforums.org but rEFIt still didn't work: cd /efi/refit./enable.sh So I tried to install rEFInd. It 'works', or better, at the boot of the Mac I can see the Linux and Apple partition, but if.
Click here to download the Mac Add-in.

If you have any questions, contact Adobe using your normal support channels or visit the support page.
Adobe Connect supports Mac OS X 10.9 (also known as Mavericks). In some rare instances clients running Mavericks consistently experience freezing and disconnection issues. The root cause has not yet been identified; here are recommendations that have addressed the issue for some users:
Apple support also provided these recommendations:
We have not reproduced this issue with either Mac OS X 10.9.5 or Mac OS X 10.10 (also known as Yosemite).
The issue is still under investigation with Adobe and Apple.