This sneaky little auto-updater apparently manages to hide from your Activity Monitor and takes up huge swathes of your CPU, even when Chrome isn’t running. She suggested that when you install Google Chrome, it also installs something in the background called Keystone. Turns out Brichter’s findings were drastically different than those seen by the outlet. In fact, the developer who made the claim, Loren Brichter, even paid $5 for to break down the problem and explain how to purge Chrome for good.īecause this is the internet though, and the internet always has somebody on hand with an answer, 9to5Mac decided to put Brichter’s claims to the test. You might have seen a report circulating on Twitter that Google Chrome for Mac is crippling the performance of macOS.