The pm16.dll error often occurs during PDF import because AutoCAD switches to a different rendering pipeline (GDI vs. Hardware Acceleration). Outdated GPU drivers cause a fatal exception.
: Ensure your operating system is fully updated, as many DLL dependencies rely on the latest Windows C++ Redistributables. 3. Update or Reinstall Graphics Drivers Autocad Fatal Error Unhandled Delayload Pm16.dll
The PDF is from Tuesday. Before the client changed the column grid. The pm16
Symptoms
You are deep in the zone, finalizing a complex 3D rendering or plotting a detailed set of engineering drawings. Suddenly, the screen freezes. A grey dialog box appears with the dreaded text: Autocad Fatal Error Unhandled Delayload Pm16.dll