System Preferences "Checking for updates" wheel keeps spinning. OS Catalina 10.15.17
Auto advanced updated is installed
How to know all updates are installed and stop spinning wheel on checking for updates
iMac 21.5″, macOS 10.15
Try restarting in Safe Mode, and while in Safe Mode check Software Update. If the update shows, install while in Safe Mode.
Start up your Mac in safe mode - Apple Support
Try restarting in Safe Mode, and while in Safe Mode check Software Update. If the update shows, install while in Safe Mode.
Start up your Mac in safe mode - Apple Support
There are factors:
1 - Like poor Wifi connection
2 - Slow wifi connection
3 - Too many other people downloading at the same time and Apple Severs are overloaded
4 - Software on the computer interfering with the download process including AntiVirus Software
Notation: Disabling the AV Software may or may not solve the issue. Removal of the AV Software may increase the chances of the download to perform as expected.
5 - Running behind a VPN which may increase Packet losses or corruption of the download
6 - If via wifi too many Other devices using the wifi at the same time reducing the Bandwidth to your computer.
7 - Best Results are via Ethernet Cable to Router
"Checking for Updates" wheel keeps spinning
