Apple still hosts software on its website, so you can download it from there. If the Log screen shows that nothing is happening move on to the next step.Īs we mentioned earlier, the Mac App Store isn't the only place you can download Mac software from. When the progress bar appears, press Command + L again to check the Log screen and ensure files are being installed. Check the Log screen to see if files are being installed.You should find that the update/installation process carries on from where it left off. If you were installing an app from the App Store, then open the App Store and click Updates. Go to the Mac App Store and open Updates.Press and hold the power button to shut down and start your Mac back up. Shut down, wait a few seconds, then restart your Mac.If you're positive that the Mac isn't still working on updating your software then run through the following steps: What to do if your Mac freezes during software installation Wait (Macworld says 'a few hours', I say after twenty minutes the Mac had a fighting chance I my time is limited.It may give you a better indication of what files are being installed and the amount of time left. This brings up additional information and more details about the amount of time still remaining for the install. Look at the Log to see if your Mac is still installing OS X Download the software from Apple's support website (the DMG just advised).

Cancel the download (to be able to restart it).

Macworld: How To Fix A Mac Stuck Installing A macOS Update If installing from that DMG does fail as well, then the standard advice troubleshooting guides come into play:

In effect it seems advisable to not rely on the AppStore update process, but instead turn to the latest standalone installers available from Apple, for Sierra at Update failures may or may not be result of this 'incompleteness'. But the end-result for this security update should be for Sierra, 16G1918 for High Sierra, 17G6030 in build numbers. What that means remains unknown in the details. In the special case of Security Update 2019-002 for High Sierra and Sierra we might have to observe a special caveat:Īpple released an 'incomplete update'.

Apple mac security update