Open firewall settings. If you find previous instances of Cardano or Daedalus allowed through firewall (on the list of allowed programs), erase them, and then add “Daedalus” again. This could solve the neverending Connecting to network… (helped me after trying everything else).
It is strange that Daedalus 1.4 did not trigger the firewall permissions, so that you could clearly allow it again if necessary, without all this confusion. The previous firewall settings surprisingly did not apply after updating.
So, focus on the firewall &
Long live Cardano!