# Plex Media Server install failure

**URL:** <https://forums.plex.tv/t/plex-media-server-install-failure/761057>\
**Category:** Plex Media Server\
**Tags:** server-mac\
**Created:** [November 29, 2021, 5:38pm UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057 "2021-11-29T17:38:10Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![jmarshall69](https://avatars.discourse-cdn.com/v4/letter/j/b5ac83/32.png) [@jmarshall69](https://forums.plex.tv/u/jmarshall69)\
**Post date:** [November 29, 2021, 5:38pm UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057/1 "2021-11-29T17:38:10Z")

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Server Version#:1.24.5.5173  
Player Version#:N/A  
Hello, Today I am trying to create a new Plex media server using a Mac Mini running Mojave. I’ve downloaded the “Media Server For Mac” file and verified the check sum. When I open the .app file to begin the installation, i get the ““Plex Media Server.app” can’t be opened because the identity of the developer cannot be confirmed” I went into the "System Preferences → "Security & Privacy → “General” and clicked the “open anyway” button. When I do that I get the error “The operation couldn’t be completed (OSStatus error 99999.)” I downloaded the file in Safari then Chrome on 2 different computers both with the same results. I validated the checksum both times. I attempted to run the installer on my macbook pro with the exact same results. Could there be a problem with the installer file?

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**Author:** ![drslevy](https://sea1.discourse-cdn.com/plex/user_avatar/forums.plex.tv/drslevy/32/106724_2.png) [@drslevy](https://forums.plex.tv/u/drslevy)\
**Post date:** [November 29, 2021, 7:28pm UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057/2 "2021-11-29T19:28:42Z")

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What version Mac mini and mac pro do you have? would they happen to be the versions with the new M1 chips?

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**Author:** ![jmarshall69](https://avatars.discourse-cdn.com/v4/letter/j/b5ac83/32.png) [@jmarshall69](https://forums.plex.tv/u/jmarshall69)\
**Post date:** [November 29, 2021, 7:32pm UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057/3 "2021-11-29T19:32:29Z")

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Mac Mini 2012 with Mojave installed. 13" MBPro 2018 also with Mojave. I’m updating homebrew and will try to install that way unless there is a better idea. All Intel.

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**Author:** ![jmarshall69](https://avatars.discourse-cdn.com/v4/letter/j/b5ac83/32.png) [@jmarshall69](https://forums.plex.tv/u/jmarshall69)\
**Post date:** [November 30, 2021, 1:08am UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057/4 "2021-11-30T01:08:00Z")

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I may have fixed it with this command:  
xattr -dr com.apple.quarantine /Applications/Plex\ Media\ Server.app/

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**Author:** ![system](https://global.discourse-cdn.com/plex/original/3X/2/a/2acb9765406f63293d357b4ec509ec39aa28f2ad.png) [@system](https://forums.plex.tv/u/system)\
**Post date:** [February 28, 2022, 1:08am UTC](https://forums.plex.tv/t/plex-media-server-install-failure/761057/5 "2022-02-28T01:08:38Z")

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