If you are logged in first time in MS CRM 2013, you will see a beautiful CRM lady in navigation tour screen, this tour will help you with quick navigation tips, but even if you will select “Don’t show me this again” , she may come back again to meet you if you will access CRM from other browser or your browser cookies will be deleted.
If you are using on premise deployment then you have option to do a registry key fix like this to remove it, but if you are using online then you don’t have any option to remove it permanently.
Don’t worry finally we can say good-bye to her, because MS CRM 2015 introduced a new system setting to turn off navigation tour (Settings-> Administration->System Settings)
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