So, any website that I try to open up in Firefox just won't load, it's not just particular websites. But all other browsers - IE, Chrome and Opera, do.
What I have tried:
* Checked Comodo's firewall about Firefox, didn't see anything
* Reinstalling Firefox
* Flushing DNS
* Checked Firefox proxy settings
* Resetted Firefox to it's original state on "about:support"
I'm out of ideas now and fast googling wouldn't give me any good answers.
Thanks for helping!
OS: Windows 7
Internet connection: Wired, 12/1
When/how did this problem start: The person who I'm helping does not remember that he had done something that might've caused the issue.