Enter the following commands in the Terminal application.To disable automated updates:view plainprint?$ defaults write com.google.Keystone.Agent checkInterval 0 $ defaults write com.google.Keystone.Agent checkInterval 0Change the 0 to a 1 to re-enable updates.To set the update frequency:view plainprint?$ defaults write com.google.Keystone.Agent checkInterval <frequency> $ defaults write com.google.Keystone.Agent checkInterval <frequency>