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Mark_Sealey's avatar
Mark_Sealey
New Contributor
2 years ago

External backup disk drive not unmounting… suspect a 1P process

Either as a result of the upgrade to macOS 13.3 (and/)or a recent 1P upgrade, one of my external drives now refuses to unmount - apparently, it seems, because of a 1Password process (PluginLibrarySer...