CPU reaches 100% in menu/exit

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Inexplicably,
my cpu reachs 100% when i click to “exit” msfs.
It doesn’t happen every time, but 4/10 times I go to the menu, and then I click to exit the sim, the screen freezes and the CPU goes up to 100%, I can only solve this problem by killing the flightsimulator in the task manager. I should also say that when it doesn’t hang on the exit screen, the CPU quickly hits 100% and then closes normally. It’s strange, that didn’t happen.

This is not an uncommon issue.
There is an existing bug report for it here, Asobo has recognized it as an issue (see the tag bug-logged at the top of the report):

Please use the above link to continue any further discussion on this issue.