I just ran EtreCheck, and it says something called a "runaway process" is using a large percentage of my cpu and needs immediate attention. Whazzat?
EtreCheck version: 5.4.3 (5052)
Report generated: 2019-10-22 10:44:02
Download EtreCheck from https://etrecheck.com
Full drive access: Disabled
EtreCheck report in full
Problem: No problem – just checking
Anything that appears on this list needs immediate attention.
Runaway process – A process is using a large percentage of your CPU.