Whenever I'm on multiplayer or singleplayer, the menu saying 'save and quit to title' keeps popping up without me clicking the escape button or anything.

Put the summary of the bug you're having here

I thought it was a glitch
Describe what you thought should happen here

The menu to quit game kept popping up with no options for it happening
Describe what happened here

Steps to Reproduce:
1. Run around in any gamemode, and it'll pop up
2. ... typing /t in chat and having the windows and browser freeze for a sec so I cant type
3. ...