Hyde Stiff Chisel Putty Knife

I have two windows with 39-393 controllers but with pro handles that keep falling out. I ordered 2 of the 39-393 controllers to replace them with. I've disconnected the 2 arms and removed the 4 screws but the old controllers won't come out, they are somewhat loose but still feels like something hold ... (cont.)

I seem to have cracked my previous strike and I'm keen to replace it! Is that possible? If yes, how do I remove it without damaging my wooden window frames?

Hi, My shower door sweep with drip rail 23.25 inches needs replaced. I removed the two screws and the driprail remains permantly attached. Are there any additional screws that need to be removed? When the 24 inch Swisco shower sweep arrives, how do you relace the old one ? My original shower ... (cont.)

Hi There, what type or rollers are these? Thanks, Robert

Pictures of adjacent window. Knurled crank mechanism is stripped inside housing so can't open window to remove sill or access parts. No names or numbers visible anywhere.