Mac Software Update Keeps Failing. You can keep trying until your iPhone pulls the update or wait for a few hours and then try again. It could be really annoying when you are urgent to run your Mac be it an iMac or a MacBook.
Next power up your Mac by pressing and holding the Shift key until the Apple logo appears. This issue can happen whether youre trying to update wirelessly over-the-air with Settings or even with iTunes or Finder. Now while in Safe mode to System Preferences click on Software update and download and install the latest update which is Catalina.
Select Run as Administrator and Continue if the User Account Control dialog comes up.
It is important to note that the failure of the upgrade is liable to result in loss of data on your Mac. Pre-Mojave you may be able to fix a stuck update by going to the Mac App Store finding the software you are downloading and pressing OptionAlt. In this article we share seven fixes that can fix your frozen Mac and get it back on track. A new Mac OS is designed to improve user experience however many mac users found that a macOS update made their Mac not boot up.