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I cannot access joomla administrator, invalid login.
please have a look at [joomla site root]/plugins/system/, if you see this folder:
azrul.system
and
jomsocial.system
please rename jomsocial.system to jomsocial.system-old
if still cant, I need you edit your first post at this topic and put valid credentials information at site info form (private). at least I need joomla admininistrator access detail (as super user) and FTP