How to Fix the MacOS "Installation Failed" Error
"Installation failed" is a pretty common MacOS error that can occur during updates or upgrades. Unfortunately, it's pretty vague, leaving Mac users to wonder why the installation failed and how to fix it. Luckily, the "installation failed" error is incredibly easy to fix.
Unlike more complicated MacOS errors, one of the below steps are guaranteed to resolve the issue and get your installation up and running! In fact, you might not need all three steps to get fix the problem.
Now, let's get started! Follow the below steps to resolve the "installation failed" error and restart your MacOS installation.