I'll try the "delete InstallInfo plist" later today - once Mojave is installed on my external SSD I want to transfer everything from El Capitan to Mojave and that would probably take a few hours so I want to do that over night. ![]() I wonder if anyone else installed macOS that way, by resetting the clock, installing the OS, and then setting the clock properly again. However, Apple is rather sneaky here - the message that comes up is that the installer is corrupted (which in fact it isn't), but with a "Corrupted" file, people would just either try to repair it or trash it.īut since I learned-through this forum -that this error messages just comes up when the certificate on the installer is expired, I figured setting back the clock on the Mac is worth a try - and sure enough - that works as well! I haven't tried those instructions yet because last night as I was going to sleep I thought that maybe just resetting the date on my Mac might possibly do the trick.īut then, on the other hand, I thought that it couldn't possibly be that easy and Apple would be smarter. I'm going to start making my own reference file for ver useful items like that. Save yourself the hassle, time and frustration.I remembered that those instructions were posted on this forum before, but trying to find them is not easy. If you’re still unable to install or upgrade the operating system on your Mac, why not try our professional MacOS installation service in Dublin?. While this might take more time – better to be safe than sorry. Good to KnowĪlways perform a Time Machine Backup or clone of your disk before troubleshooting MacOS installation problems. Make sure the time and date settings on your system are correct. If you cannot install MacOS using a downloaded installer from the App Store, you could try the Recovery Partition or Internet Recovery. īy performing a clean installation of MacOS instead of an upgrade.ĭownload a new installer from the App Store and create a new bootable USB installer.Running hard disk diagnostics to check the health of your drive. Use Disk Utility to make sure your hard disk has enough capacity. “Could not find installation information for this machine” When MacOS will not install, try running some of these simple troubleshooting steps and fixes: macOS Catalina Patcher I get an error saying The installer is damaged, and cant be used to install macOS Some third-party applications do not open or crash. “An error occurred while preparing the installation. The download is either damaged or incomplete” “An error occurred validating the installer data. Quit the installer to restart your computer and try again” “MacOS could not be installed on your computer. “Installation of macOS could not continue” “MacOS could not be installed on your computer” “The copy of the install MacOS Mojave.app application is damaged can can’t be used to install macOS” “There is not enough free space on OS X Base System to install” From installation issues, to hardware and software that doesn’t work as it should, we have a range of fixes. ![]() ![]() “Could not create a preboot volume for APFS install” With this guide, we’ll show you how to fix the most common macOS Mojave problems. “The macOS installation couldn’t be completed” ![]() It is not uncommon for the MacOS installation process to become stuck or get interrupted. It can be an extremely frustrating experience when a newer version of MacOS will not install on your iMac or MacBook.
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