V4 abre no IE mas dá erro no Firefox

A V4 funciona normalmente no IE, mas quando tento logar no Firefox, dá a mensagem:

Forbidden

You don’t have permission to access 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on this server.


Apache/1.3.33 Server at localhost Port 83

Alguém sabe porque ?

Vc tem que dar permissão total na pasta do scriptcase, se vc estiver usando linux a permissão a que me refiro seria: chmod 777 -R… Pois o erro está informando que é falta de permissão!