We can't possibly help unless you provide more information: You operating system? Your version of InDesign? And a more complete description of what happens. Any changes in your system?
I am operating on a MacPro 4gb on Yosemite 10.10.3
I am working on the In design version through the i cloud, 184.108.40.206 build 2015 Release
I do operate through a firewall.
start by updating ID to 11.1...
Thank you seems to have worked. I also updated to to OS X El Capitan