If you could provide more context or details about where you encountered "dxfdwg.aip download" and what you are trying to accomplish, I could offer more targeted advice.

/Applications/Adobe Illustrator [Version]/Plug-ins/Extensions Troubleshooting "dxfdwg.aip" Errors

You’ve updated Illustrator, but the old plugin version is no longer compatible.

Key capabilities

: A failed update through the Creative Cloud desktop app can leave the file damaged or missing. Version Mismatch