I'm using Storyline 360 which keeps freezing and I cannot complete any task such as insert/move/copy/paste or duplicate in respect of objects - nor can I group items. I've had no problems until the recent SL 360 Version update 3.52.25156.0. Reverted back to previous SL 360 version 3.51.24979.0 problem still occurs. Uninstalled and reinstalled SL360 yesterday and today. I’ve already copied files and this has made no difference. I’ve conducted two computer diagnostic and optimization tests with clean reboots and the moment I access and try to work in SL 360, it freezes again. Navigating from slide to slide creates a significant delay before the function occurs. Eventually, the light blue swirling circle (save feature) appears, SL 360 is frozen yet again when that appears. Sometimes, I receive a message from Windows stating that the Storyline program is not responding. I have also checked and rechecked Windows 10 Update (currently 21H1) and all is okay. Can you please help, I cannot have a third day without being able to work on this project, with two more pending?