I cannot seem to join servers!

[m1k3y4e7]

So I got a new computer (An HP Pavilion Running windows 7 if it matters) and I no longer can join people's servers. I am able to host. but not join. I tried turning off my firewall, but nothing changed. I will try to get pics of what it looks like when it happens up soon.

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[m1k3y4e7]

EDIT: Nevermind, I re DL'd blockland and that fixed it.