Why Is macOS High Sierra Damaged?
Contents the Cause of This Error Is an Expired Certificate, and Because the Certificate Is Expired, the “Install macOS” App for Mojave, Sierra, and High Sierra...
The cause of this error is an expired certificate, and because the certificate is expired, the “Install macOS” app for Mojave, Sierra, and High Sierra will not run. Fortunately, there is a fairly simple solution to the “damaged” installer problem. Below are the download links for the recent versions of macOS.
Why does it say macOS High Sierra is damaged?
The cause of this error is an expired certificate, and because the certificate is expired the “Install macOS” app for Mojave, Sierra, and High Sierra will not run.
Is macOS High Sierra still good in 2020?
Apple released macOS Big Sur 11 on November 12, 2020. … As a result, we are now phasing out software support for all Mac computers running macOS 10.13 High Sierra and will end support on December 1, 2020.