Problems updating to Monterey 12.2
I can't get my 2017 iMac to update to 12.2. I have removed my virus protection and booted twice in safe mode. Computer goes through downloading the update and appears to go through the install. Total time on the install is only about 20 minutes. Not sure what else to try. Would appreciate any insight you might have. My machine has 1.5 GB of free HD space and 16 GB of ram.
iMac 27″ 5K, macOS 12.1