"The Java plugin has crashed" firefox mint linux

For Firefox 38.0, type "about:config" (no quotes) in the address bar, click "I'll be careful, I promise!", and then change each of the following:

• extensions.blocklist.enabled to false
• plugin.state.java to 2

Archive Manager não exibe a coluna nome

It's enough execute the command below:

$ gsettings reset org.gnome.FileRoller.Listing name-column-width