New with Netflow analyzer

New with Netflow analyzer

Hi guys, I successfully installed Nestflow analyzer on my computer however when the installation was done I got this web inteface where I should put a user name and a password to log into a session, my question is :
which session are they talking about , because I didn't get any request asking me to create one before , and if I should then could you post the link please. thank you.
P.S: I ve already tried the defaut informations they suggested but it didn't work either.
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