Hi,
Avast Business Cloud Management Console 5.11 has just been released today (17th July). This release delivers a bug fix:
Bug Fix
Fixed: Longer than expected loading screen appearing when modifying Application Rules under the Firewall settings.
Bugs and more information can be found in our release notes below:
Avast Business Cloud Management Console Version 5.11 Release Notes
Regards,
Your Avast Business Team