The license of the past Guru is not working.
www.facesevozes.org.br

Hi
Could you share more details about the issue?
if you want to update Guru, kindly add the license key from My account section on Jomsocial site.
Here: prntscr.com/il67e0
You will see License Number: under Guru that you can use in Guru component for updates.
License Number work from active membership.

Regards