When you check for Google Chrome updates on your Mac, you may encounter specific error messages. This may happen if the Mac mechanism that checks for application updates, also known as Keystone, has failed to work properly.
If the problem persists, follow these instructions:
If you’re uncomfortable using Terminal to run commands, you may want to consult a computer technician before you start.
sudo /Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/Contents/Resources/GoogleSoftwareUpdateAgent.app/Contents/Resources/install.py --uninstall