Hi. Can you bring more details, please and also i would ask you to submit .log file - link to me to direct message or submit a ticket to our bugtrack(please attach your log file) https://jira.hyle.io/

Log files can be found: Linux - home folder/.Zano, Windows User/AppData/Roaming/Zano, MacOS - ApplicationSupport/Zano. Need to find Zano.log

Sorry about the issue, we'll do our best to solve it asap.