If this is to no avail, contact your Security software manufacturer or opt for another solution. If it is, try to configure the software to allow Outlook on your PC.
We advise you to turn off your antivirus product and see if the issue persists. Temporarily disable your third-party antivirus software: Sometimes non-Microsoft security solutions might have come into conflict with Outlook and keeps it unresponsive. Note: Solutions are applicable to Microsoft Outlook 2007, 2010, 20 running Windows 10, 8.1 and 7 Computers. If you are unable to open or use Outlook 2016, Outlook Freezes not responding at startup, don’t worry Here we have collected 5 effective methods to repair and fix Outlook not responding, stuck or freeze Windows 10. Fix Microsoft Outlook has stopped working