After following all of the instructions, this desk assembly went fine until the final file drawer.  Pendaflex files do not hang properly, and desk drawer does not close all the way.  I was delighted with this desk because it fit into a small space in our independent living home and had the one file drawer I definitely needed.  I am very disappointed and not sure what to do with the file drawer.  I am in my mid seventies and cannot be lifting and moving this around.  I did have a family member assemble this and they followed all instructions and could find no reason why there were these issues.
I have purchased many items from Wayfair and this is the first time I have been very disappointed.  Can you help?