Open virtualbox, click New button to create a new virtual machine. 2.1 Create MacOS Virtual Machine In Virtualbox. Install Mac OS On VirtualBox Virtual Machine Steps. Re: FreeCAD 0.19: macOS Big Sur: stuck on launch Post by qwerty_f » Tue 9:28 pm Another issue: all of a sudden FC refuses to move anything in the tree view. Due to increased security and permissions with Mac OS 10.14 Mojave and 10.15 Catalina, you will be prompted to authorize the Zoom Desktop Client and Zoom Rooms to use the microphone, camera, and on Mac OS 10.15 Catalina, screen recording. Whatever you prefer to call it, the rainbow-colored ball that pops up on your Mac's screen and refuses to go away is a bad omen signaling that your. screenshot of where installation is got stuck. I am installing Mac OS Catalina on Mac OS mid 2012 as upgrade install from Mac OS Yosemite It has stuck for about 3 hours now at finishing bar of macOS Catalina will be installed on disk Kindly guide what to do.Late-2013 and mid-2014 models of the 13-inch MacBook Pro seem to. Late-2013 and mid-2014 models of the 13-inch MacBook Pro have been getting stuck on a black screen while installing macOS Big Sur.Saves and fill in all your passwords, cards and other details. Offline Password Manager and Secure Vault.