The following pop-up (See attached) appears. when I open a website in MS Edge When I press X it closes, but comes back when I go to another web page, It is most annoying , what can I do to get rid of it permenantly.

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Restore Page X |
MS Edge closed unexpectedly |
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Restore Open Start up Pages |
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Tried attaching but could not, so have tried to create what the popup looks like.
Instructions on adding attachements.