Security update macOS High Sierra 10.13.1 prohibits sharing the file. There is a solution
30.11.2017 apleapplekot 0 Comments
November 29, Apple released an urgent update that fixes a security bug where any user could access the system files. Unfortunately, the developers of macOS broke the “Share”function.
Apple is already aware that some users are unable to send files using the built in Share feature. The issue only affects users of macOS High Sierra 10.13.1, setting an urgent security update. On the official Apple support site has posted a solution to the problem:
Despite the problems, the security update will continue automatically installed on all Mac computers running on macOS High Sierra 10.13.1.
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