Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system.” 解决方法如下： 在linux的终端输入： firefox -profilemanager 回车后会出现一个小窗口让你选择使用哪个 profile 来启动 firefox。 首先将当前出错的Profile删除掉，然后新建个即可
setsebool -P unconfined_mozilla_plugin_transition 0
谷歌浏览器崩溃 https://www.cnblogs.com/iouwenbo/p/10263229.html
