Cannot access to the realm

Hi everybody. I'm an old player that hasn't played for a very long time, so when I tried to access for the first time today, I received a new password from the system (which I received via email). I logged-in and I changed the password again: no problem so far. But now, the problem is that when I try to enter the game, it's stuck in "Connected", and when I cancel button it, it shows me the realms available, which only Frostwolf (5.4.8) is available, but it says it's offline. Why is that? and, what can I do to solve the problem?

Thank you very much in advance.

*EDIT: Solved.

maybe you are still using old 5.4.2 client? in that case you need download the new 5.4.8 client from here: https://www.warmane.com/download

Yeah, I hit the wrong folder (it was the 5.4.2 client) XD. My bad.

Tyvm for the quick reply.