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Firefox v36 won't load webpages or terminate process with admin privileges

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Firefox stop working and even with the administrator privilege will not be able to kill it.

I have tried to kill with the Task manager, Cmd taskkill /T /F /PID <firefox ID>, Powershell Kill -ID <>, all of them with the admin privileges with not success.

Also, I have unistall Firefox and deleted all the folders in User/Appdata and cleaned my firewall rules and all the addons disabled.

Firefox stop working and even with the administrator privilege will not be able to kill it. I have tried to kill with the Task manager, Cmd taskkill /T /F /PID <firefox ID>, Powershell Kill -ID <>, all of them with the admin privileges with not success. Also, I have unistall Firefox and deleted all the folders in User/Appdata and cleaned my firewall rules and all the addons disabled.

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