window crank replacement

A home owner from St. Croix US Virgin Islands says:
I want to replace several window cranks, but many of them can't be screwed in because a worn window plate. Is there anything that I could use to fix this problem?
User submitted image of their window hardware.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Hey, hopefully I can help. I have two ideas that might repair your window frame. First, and simplest, try using a larger diameter screw. If that won't work, consider using a piece of aluminum angle. Drill and mount it into the window sill up against the bottom of the window, then drill into the angle matching the holes into the window frame. Would that work for you?
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