To change the name of a Google Ads account in ClickGUARD visit Account Settings and under "General Settings" update the name:
Alternatively, you can update the name while browsing your Google Ads accounts on the Accounts page. Mouse over the account name and hit the edit button:
Then enter the new account name and hit "Rename":
Why would you need to update the account name?
In case you are protecting / optimizing multiple Google Ads accounts with ClickGUARD it will be easier to discern and switch between them.