Firefox Connection Closed

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http://forums.fedoraforum.org – Whenever I run firefox it runs slow and rarely connects to DNS servers. I am running F17 and firefox is up to date. It displays this message whenever I type firefox into the terminal: Gtk-Message: Failed to load module "pk-gtk-module" ** (firefox:1996): WARNING **: The connection is closed NOTE: I can still connect to the internet, yum works How do I solve this issue? I also have another problem relating to grub2 overwriting the MBR so I can't boot into Win8 on my laptop. That's going to be posted in a more fitting thread :P Thanks for any help you can give me in adv (HowTos)