Older version of electrum is no longer connected to public servers and did you read this warning below from electrum.org
Warning: Electrum versions older than 3.3.4 are susceptible to phishing. Do not download Electrum from another source than electrum.org, and learn to verify GPG signatures.
Be careful on fake electrum wallet from another source make sure that you download the electrum directly from electrum.org
Install the latest version of electrum which is Electrum-3.3.6 from here
https://electrum.org/#downloadIf still don't work can you tell us what OS you are using?
I'm using W10.
It still doesn't work, unfortunately.