The updates can freeze as much as they like, and you can keep hard-powering down your PC, and your data should still be intact.

No, usually Mac has fail-safe which mean that if your update freezes mid-update and you have to reboot, it will fall back to the last version of macOS you installed. ‘Will I lose data if my macOS update has frozen?

You can learn how to create your own Mac USB installer here. If you’re finding that your macOS updates keep freezing or not installing properly through your Mac and Apple’s servers, it’s always good to have a bootable USB installer handy so that you can install the latest Mac version (and its updates) through that. Is there another way to install Mac updates? To do this, press CMD + Space, search for “Date & Time”, then check the “Set date and time automatically” box and try downloading the update again. If you get the above message, the good news is that at least your Mac hasn’t frozen mid-update! Many of the same fixes we’ve listed here apply to the above error too, but another thing you should try is checking that the date and time on your Mac are correct.

What if I get the message that “an error occurred while downloading the selected updates”? You can now follow the onscreen instructions to download and install a fresh copy of macOS. In the popup that appears, select “Reinstall macOS.” Once in Recovery Mode, click the Wi-Fi symbol in the upper-right corner, and make sure you’re connected to a fast, reliable network.Ĥ.

Power up your Mac, but immediately press and hold the Command + R keys.

Instaoling mac os timer keeps going up