MrTredway

@samrogers When you signed-out of Evernote, did you choose the option that reads Remove my Evernote data from this device before clicking the Sign Out button?

Thanks for the solution @remy_. I did the same and it finally resolved my issue. I've also been in contact with Evernote via a support ticket but nothing worked until I tried this. I'm not sure if it was the signout plus erase data or if there is difference between the App Store and direct distribution, but regardless, these steps solved my problem. As an aside, all forum advice to not be concerned is bad advice given that the high temps we were dealing with are actually destructive to the CPU. I can only assume that the overheating comments were overlooked.

I've been having the same problem since upgrading to 10.52.8. Evernote Helper (Renderer) stays above 100% CPU usage at all times with the CPU running very hot. Ran it collectively for approximately with no reduction in CPU usage. Also, noticed that a total of 4 Evernote Helper (Renderer) are running and consuming more than 1 GB of memory combined. Tried upgrading to the latest OS to see if this would address the issue, but no luck. Also tried uninstalling and re-installing as a last test. Letting it run for hours, let alone a full day, is not an option because the CPU temp immediately rises to damaging levels. I have opened a support ticket and sent logs but am posting here in case anyone finds a fix.