Crank window parts

A home owner says:

See the attached photos. I believe that the "screw" part is stripped. I can crank the window open but not close it. So I need to replace.
Thank you.
User submitted photos of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
Hey, Jennifer. That screw part cannot be replaced, I'm afraid. You will need a new operator altogether. If possible, please show me a picture of it removed from the window. Thanks!
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