OS X Activity Monitor Column Orders Not Saved [Solved]

Activity Monitor on El CapitanAround the Mac OS X 10.10 Yosemite upgrade from 10.9, I noticed that Activity Monitor.app would refuse to remember any column preferences. Switching between tabs such as CPU and Memory would even reset any changes.

This bad behavior continued through 10.11 El Capitan, so I finally snapped and spent a couple minutes poking around and have a fix to share for anyone else who is plagued by this issue. All I had to do to fix the issue was clear the Activity Monitor defaults to force a reset with the following command.

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