Electrum announce that lower version of electrum is no longer connected to the servers because it's under attack with fake/phishing URL link if you click the pop up screen that asking to update the Electrum you will be redirect to a fake website that listed below.
Here is the sample of Electrum phishing site look like below.
If you found a fake electrum website please post it here or PM me I will add it here so that other forum members are aware on fake phishing site.
Here is my list of active fake electrum website that I found when scraping using scrapebox.
http://electrum.org.uk/
http://electrumclient.org/
http://downloadelectrum.org/
http://electrumsite.com/
http://electrumweb.net/
http://electrumupdate.com/
http://electrumproject.org
To protect your self from these phishing sites you can edit your hosts and add this line below.
127.0.0.1 electrum.org.uk
127.0.0.1 electrumclient.org
127.0.0.1 downloadelectrum.org
127.0.0.1 electrumsite.com
127.0.0.1 electrumweb.net
127.0.0.1 electrumupdate.com
127.0.0.1 electrumproject.org
I'll put another list below for those who can help to hunt other active phishing sites including your username or I might be rewarded you with merit. Just make sure the site is active.
Updated 6/20/2019
electrumcircle.com Added by me
l-electrum.org Added by me
www[.]electrumbuild[.]org added by hugeblack
www[.]electrumupgrade[.]org added by hugeblack
electrum.bz added by Baofeng
electrumsecuredownload.com added by Lucius
elecfrum.org Added by HCP
electrum.mx Added by HCP
https://electrumus[dot]com/#home Added by Baofeng