Ok, I added myself and changed myself to read & write, then I double clicked Plex Media Server again and nothing happened.
Redo the steps from above to identify based on Terminal output if other files are impacted / miss permissions.
Looks like I got a slightly different result in Terminal:
dyld: Library not loaded: @rpath/libboost_random.dylib
Referenced from: /Applications/Plex Media Server.app/Contents/MacOS/Plex Media Server
Reason: no suitable image found. Did find:
/Applications/Plex Media Server.app/Contents/MacOS/…/Frameworks/libboost_random.dylib: code signing blocked mmap() of ‘/Applications/Plex Media Server.app/Contents/MacOS/…/Frameworks/libboost_random.dylib’
Abort trap: 6
To add to this, I went to the location of libboost_random.dylib, changed the permissions and owner, then ran Plex.
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Just like the OP, I get a new error. It appears that MacOS is not liking the code signature of libboost_random.dylib
It changes the owner back to root:wheel with permissions of 0600.
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If I have to guess, a library that libboost_random.dylib uses isn’t signed or has a bad signature, causing this issue.
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