Can't open browser with Selenium after Firefox update

Question

I use Selenium WebDriver on Ubuntu Desktop 16.04, and I can\'t open browser. I get the following error after Firefox update (before this, it all worked):

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Answer 1

SOLUTION downgrade to 45 version:

firefox --version
    Mozilla Firefox 47.0
apt-get remove firefox
wget https://ftp.mozilla.org/pub/firefox/releases/45.0/linux-x86_64/en-US/firefox-45.0.tar.bz2
tar -xjf firefox-45.0.tar.bz2
mv firefox /opt/firefox45
ln -s /opt/firefox45/firefox /usr/bin/firefox
firefox --version
    Mozilla Firefox 45.0