HT5306: About Apple Remote Desktop Client 3.6Learn about About Apple Remote Desktop Client 3.6
Currently Being ModeratedAug 14, 2012 6:45 AM (in response to Goldengirl-Michigan)
The HT5306 header appeared because you came here from that support article, and that's all it means.
As to the problem, what version of OS X is your iMac running? The ARD 3.6 client is only for Lion and Mountain Lion systems, so if your iMac is running Mac OS X 10.6 or earlier, it's not eligible for that version of the client.