How to Fix the "Fatal Error: Unhandled Delayload Pm16.dll" in AutoCAD
AutoCAD using the Autodesk Desktop App or Autodesk Account website. 3. Update or Reinstall Graphics Drivers
The "Autocad Fatal Error Unhandled Delayload Pm16.dll" error can occur due to various reasons, including: Autocad Fatal Error Unhandled Delayload Pm16.dll
: Interrupted downloads or incomplete installs.
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. How to Fix the "Fatal Error: Unhandled Delayload Pm16
: A partial or corrupted installation of the software itself. Recommended Solutions
: If the error occurs when opening a specific file rather than at launch, try using the commands to fix the drawing. Permissions In simple terms, this is a Windows "DLL" error
Symptoms
Follow this step-by-step guide to resolve the issue and restore stability to your workstation. 1. Install the Latest AutoCAD Updates
Manually delete remaining traces in C:\Program Files\Autodesk\ and C:\Users\%username%\AppData\Local\Autodesk .
What (e.g., 2024, 2025, 2026) are you running?