If "Invite me to multi-day games" is too complicated to un-tick, pop-up ain´t going to save them.
http://i.imgur.com/IiEL9A4.pngMaybe just change the default for new players, when first time opening Quickmatch to have disabled Multi-day. I think it was enabled, when I first opened QM window.
Edited 4/8/2020 08:52:58