If you have a problem with the lookup server when trying to search the fingerprint from the link above you can try this guide below

- Open Command prompt as administrator
- then send this command
- Open Kleopatra and paste this below on the notepad
- https://raw.githubusercontent.com/spesmilo/electrum/master/pubkeys/ThomasV.asc
- Then you can now start verifying the downloaded electrum 4.2.2

If this still does not work read more from this below for other alternatives
- https://bitcointalk.org/index.php?topic=5405015.0