I had a window on the side with the toolbox but now its missing and sample parts like screws and nuts are missing
First right click in the blank space at the top, labeled 1. Then select the task pane labeled 2. That should bring it back.
Make sure under Tools > Add-in, Toolbox is selected OR click this button
I know that part is missing the entire right side where my design library was is now missing
Make sure that Task Pane is selected under view menu
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