DeepHour wrote:
More commonly, it even disappears if I so much as Left Click, or press the "Enter" key, without actually having selected an emoticon from this section.
Normally, the "more emoticons" window is displayed and remains active until closed, allowing you to select as many as you want from it.
Sometimes it can seem disabled and not appear when
View more Emoticons is clicked, due to the way that GUIs (or the Windows GUI, anyway) behave: when a window loses focus (a mouse click or keypress on another window) it will move behind others, sometimes out of sight and clicking
View more Emoticons again will apparently do nothing because the window is already being displayed - but not necessarily on top of others.
With the Windows GUI, repeatedly pressing Alt-Tab will cycle through the active windows where you'll find it's still there and functional. Other GUIs will have a similar mechanism.
Are you using a GUI which provides several desktops? It may be that for some reason related to the GUI, the window doesn't appear on the active desktop.
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Giraffe: a ruminant with a view.