If you cannot open the program, you can try starting AutoCAD with the /nohardware switch: Right-click your AutoCAD desktop shortcut > .
: Check the Autodesk Account or the Autodesk Access app for any pending product updates or enhancements. Autocad Fatal Error Unhandled Delayload Pm16.dll
Expand the Display adapters section to identify your graphics card (e.g., NVIDIA, AMD, or Intel). If you cannot open the program, you can
Click the Windows Start menu and navigate to the AutoCAD folder. Step 3: Select the utility named Reset Settings to Default . Click the Windows Start menu and navigate to
In simple terms, this is a Windows "DLL" error. A DLL (Dynamic Link Library) file is a set of instructions that multiple programs can use; pm16.dll likely handles part of AutoCAD's licensing or core functionality. The error occurs when AutoCAD tries to "delayload" this file (meaning it's not loaded immediately upon launch) but can't find it or access it. This could be because the file is corrupted, missing, blocked by security software, or because the supporting framework, Microsoft Visual C++, is broken.
The Pm16.dll file is a dynamic link library component associated with Autodesk's internal performance, graphics, or licensing modules. The term "Unhandled Delayload Exception" means AutoCAD attempted to load this specific DLL file into memory after the main program started, but the operation failed unexpectedly.