The object is not responding because the source application may be busy" when opening a DWF file in AutoCAD
Solved: CAD File makes AutoCAD not responding during open, won't xref into another drawing, or open in Truev... - Autodesk Community - AutoCAD
Large Autocad file Crashed/ "AutoCad Application is not responding" message - Page 3 - AutoCAD 2D Drafting, Object Properties & Interface - AutoCAD Forums
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