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I'm having trouble upgrading from High Sierra to Mojave. I get this message: This copy of the Install macOS Mojave application is damaged, and can‘t be used to install macOS.
MacBook Pro 15″, macOS 10.13
Delete "Install macOS Mojave" from the Applications folder. Download again while in Safe Mode.
Delete "Install macOS Mojave" from the Applications folder. Download again while in Safe Mode.
If you get a corrupted message...
Naw, not damaged, it's just that you have an old copy already in Applications, there are 2 cures...
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.
Or... trash the Install MacsOS Mojave.app in Applications, empty trash & restart, then a new copy of a more recent version can be downloaded..
having trouble upgrading from high sierra to mojave. I get this message
