Autocad Fatal Error Unhandled Delayload Pm16.dll

Solved: How to Fix "AutoCAD Fatal Error: Unhandled Delayload pm16.dll"

Experiencing a sudden crash? Here is the definitive guide to resolving the pm16.dll fatal error in AutoCAD 2020–2025.

Q: Will reinstalling Windows fix the pm16.dll error? A: Yes, but it is overkill. A clean Windows install will fix it 100% of the time. However, try Methods 1-6 first; they resolve the issue in 95% of cases. Autocad Fatal Error Unhandled Delayload Pm16.dll

  1. Right-click the AutoCAD shortcut on your desktop and select Properties.
  2. Go to the Compatibility tab.
  3. Check the box for Run this program in compatibility mode for: and select Windows 7 or Windows 8.
  4. Also, check Run this program as an administrator at the bottom.
  5. Click Apply and OK.
  1. Save work frequently and open AutoCAD in Safe Mode (or use /safemode if available) to see if crash persists.
  2. Disable all third‑party plug-ins/extensions (move their .arx/.dll files out of AutoCAD support folders) and restart.
  3. Update or roll back your graphics driver; in AutoCAD, try toggling Hardware Acceleration off.
  4. Repair AutoCAD via Control Panel or Autodesk installer; if that fails, uninstall and reinstall (clean install: remove remaining support folders and registry keys per Autodesk guidance).
  5. Reset AutoCAD user profile to defaults (OPTIONS → Profiles → Reset or rename the profile folder).
  6. Ensure Visual C++ redistributables and .NET frameworks required by your AutoCAD version are installed/updated.
  7. Test opening the same drawing on another machine; if it triggers only on one file, run AUDIT and RECOVER on the drawing.
  8. Check Windows Event Viewer and AutoCAD crash dump (.dmp) for module stack trace pointing to PM16.dll to identify source (third‑party vs AutoCAD core).
  9. If PM16.dll belongs to a known plugin, update or remove that plugin; contact the plugin vendor.
  10. Create a clean Windows user account and test AutoCAD there to isolate profile vs system issues.
  11. If all else fails, collect crash dumps, installed plugin list, AutoCAD version/build, graphics driver version, and contact Autodesk support with logs.

. Uninstall existing versions and reinstall the packages required for your AutoCAD version. Install AutoCAD Updates : Check your Autodesk Account Autodesk Access app Solved: How to Fix "AutoCAD Fatal Error: Unhandled