You can check the connection settings.

• Options/Preferences -> General -> Network: Connection -> Settings

If you do not need to use a proxy to connect to internet then try to select "No Proxy" if "Use the system proxy settings" or one of the others do not work properly.

See "Firefox connection settings":

• https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

1. Internet access has worked in the past inside Ubuntu server (VM): • Preferences • Network Settings • Configure Proxy Access to the Internet o Manual proxy configuration  HTTP Proxy: 127.0.0.1 Port: 9005  Checked: Use this proxy server for all protocols 2. Internet access works in FireFox on my work PC: Automatic proxy configuration URL http://naproxypac:4713/files/proxy.pac 3. I tried settings from #2 in FireFox in Ubuntu (VM). I was able to access some internet sites but www.google.com timed out.

thank you so much......................................its really helpful...