In simpler terms, the error is because the macOS installation certificate expired on October 24, 2019. This bug appears on all versions from High Sierra, Mojave ...
[FIX] Application is Damaged and Can't be Used to Install macOS · Method 1: Change Mac's Date · Method 2: Delete the Property List File · Method 3: ...
Oct 24, 2019 · You can also fix the This copy of the Install macOS Mojave.app application is damaged, and can’t be used to install macOS. message like this: Step 1. Go to your Applications folder. Step 2. Find the Installer for macOS Mojave in Applications folder Step 3. Right click on the installer and click “Show Package Contents”. Step 4.
Jan 17, 2023 · Naw, it's not damaged, it's just that you have an old copy already in Applications, there are 2 cures... If you’re short of bandwidth or data… Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS Mohave App in Applications, so expired Certificates are not expired.
Sep 30, 2018 · Step 1. Go to your applications folder. Step 2. Find the installer for macOS Mojave. Step 3. Right click on the installer and click "Show Package Contents". Step 4. Click on folder named "Contents". Step 5. Click on the folder named "SharedSupport". Step 6. Delete the file named "InstallInfo.plist". Step 7.
Oct 25, 2019 · To do this copy and paste these into terminal to make the bootable iso file (assuming you have the Sierra installer in your Applications folder): hdiutil attach /Applications/Install\...
This copy of the Install MacOS application is damaged and can't be used to install macOS. I have tried numerous (too many by far) files of the os software …
Mojave Installer High Sierra Installer Sierra Installer You may need to reboot the Mac after you have downloaded the new (and valid certificate) installer …
Sep 29, 2018 · The solution that worked for me is described in this answer on the Apple support forum by rayhaanalykhan: Steps: Go to your applications folder. Find the installer for macOS Mojave. Right click on the installer and click "Show Package Contents". Click on folder named "Contents". Click on the folder named "SharedSupport".
Here is how to fix -This copy of the Install macOS Mojave.app application is damaged, and can’t be used to install macOS. When you are upgrading from sierra to Mojave, you get an install error.
May 12, 2020 · Install your macOS virtual machine. You should NOT get the damaged message. After you have a running VM shut it down. Close all other applications you are running. Set the system date to the current date Reboot your system Reconnect to the internet I hope that helps - seems like a lot of steps but it's actually not too bad. granada29 Volunteer
Step 1. Go to your applications folder. Step 2. Find the installer for macOS Mojave. Step 3. Right click on the installer and click "Show Package Contents". …