System AdminOutlook Express Error : 0x800CCC0F CONNECTION DROPPED February 8, 2009March 3, 2021 - by Shaunak Sontakke The modem or network cable was disconnected. If this happens frequently then try updating the modem drivers or adding an Init string. Possible cause may be line noise. Share this:Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on WhatsApp (Opens in new window)