Boot to Safe Mode and see if it appears. The boot up takes minutes.
How to use safe mode on your Mac - Apple Support
Then boot normally. If it still appears then
Download and run this app so we can find more about your installation.
https://etrecheck.com/upgradeIt shows what is launched and other information and is very useful in finding causes of problems. After you first launch the app. Make sure you check Enable full disk access in the box in lower left.
After running the app use the app's feature to paste to clipboard. The in the text box for a reply in this forum click on the addition text icon. This is because the normal reply text box limits how much you can type.
No personal identifiable information is contained if the app output. The app was written for a person who is contributor to these Apple Support Communities