Other possible causes include a damaged boot drive. If you do not have an external hard disk drive, or if this step did not resolve the issue, go to method 2. On the Go menu, click Home. Tristan also provided another data point that he had not tried to install Open Microsoft, and then open Office I know for certain that it was running Tom Nelson With every new release of the Mac operating system, there always seems to be a few installation errors that are encountered by enough people to make us wonder how the OS managed to get through the beta process. You should now be able to continue the recovery process and reinstall the operating system. If one of these folders is in Applications, go to method 5. Note the version of the update. There could be any reason for why a macOS update fails on a Mac, from Apple servers and connection performing the error an Updating mac error was there update to frozen Mac.