ping通但打不开网页 网页出现: The proxy server is refusing connections Firefox is configured to use a proxy server that is refusing connections. Check the proxy settings to make sure that they are correct. 一般是代理服务器不能访问. 解决方法: “选项 -> 高级 -> 网络 -> 设置”查看一下代理服务器设…
关于Ubuntu: Firefox is already running, but is not responding问题的解决办法 最近firefox总是开不开,出现“Firefox is already running, but is not responding“的错误提示,看到了好多方法,其实就只需要在终端输入: killall firefox 问题迎刃而解.…