Here is the suggested Etrecheck Report.
EtreCheckPro version: 6.8.7 (68068)
Report generated: 2024-12-15 00:47:52
Download EtreCheckPro from https://etrecheck.com
Runtime: 8:00
Performance: Below Average
Problem: Apps are crashing
Description:
Reported to Apple Community but Sequoia 15.2 update took a long time
to update my iMac 2019,6GHz 6-core i5, Radeon Pro 560X 4GB, 8GB 2667 M
Hz DDR4
It had to be in safe boot mode to install as it failed three times.
Major Issues:
Anything that appears on this list needs immediate attention.
Time Machine backup out-of-date - The last Time Machine backup is over 10 days old.
Minor Issues:
These issues do not need immediate attention but they may indicate future problems or opportunities for improvement.
Apps crashing - There have been numerous app crashes.
Apps hanging - There have been numerous app hangs.
Apps with heavy CPU usage - There have been numerous cases of apps with heavy CPU usage.
Unsigned files - There are unsigned software files installed. These files could be old, incompatible, and cause problems. They should be reviewed.
Low performance - EtreCheck report took an unusually long time to run.
Sharing enabled - This computer has sharing services enabled that could be a security risk.
Hardware Information:
iMac (Retina 4K, 21.5-inch, 2019)
Status: Supported
iMac Model: iMac19,2
3 GHz 6-Core Intel Core i5 (i5-8500) CPU: 6-core
8 GB RAM - Upgradeable by an Apple Authorized Service Provider
BANK 0/ChannelA-DIMM0 - 4 GB DDR4 2667
BANK 2/ChannelB-DIMM0 - 4 GB DDR4 2667