On Ubuntu 19.10, using the Telegram Desktop Snap, I’ve just experienced a strange error dialog when attempting to open Telegram. (From reboot>new session>Telegram Desktop, confirmed that no active instance of Telegram was running at the time as well.) It is as follows:
Strangely enough, Telegram does actually open shortly after, making this a little more confusing. Has anyone else experienced similar behaviour, and does anyone know what might be causing it?