You see “Enter the user for this data collector set.” when you attempt to modify a Performance Monitor data collector set. (confirmed bug in Perfmon now)

Impacts: Windows 10 1903, probably older versions too.
Cause: somehow SYSTEM doesn’t have rights to performance profile the machine
Fix: lets talk about your backup/restore plan

Seriously. I messed with User Rights Assignments, which I shouldn’t even have to do for SYSTEM in the first place, no dice. Google had 3 hits on this, all are just listing the error code presence in a dll.

Yay OneDrive and Google Drive, makes paving a 10 instance easy(er)