Question: Why does Maple freeze and stop working?

Hi. I recently downloaded Maple 2020 for school and I've run into some issues when trying to use it. I downloaded it for MS-Windows. I got the activation code from my school (it was provided for me for free) and inputed it during set up when I was prompted for the code. After I open Maple and start trying to use it I can't because it doesn't let me edit anything I typed (won't let me use backspace) and when I try to press enter to evaluate something nothing happens. When I try to use anything in the context bar it just freezes the application entirely and won't even let me close it so I have to restart my computer. How do I fix this and actually be able to use Maple? 

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