Encountered this problem two times in 20.04 LTS. Both times were after I moved away from my computer to go eat, and came back to see this bug.
Tried "Alt+F2" and typed "r", dialog disappeared.
Encountered this problem two times in 20.04 LTS. Both times were after I moved away from my computer to go eat, and came back to see this bug.
Tried "Alt+F2" and typed "r", dialog disappeared.