The error typically appears in a pop-up dialog box with the following format:
Your heart sinks. AutoCAD crashes. The pm16.dll error is notoriously frustrating, often striking, ironically, when working with xrefs, complex hatches, or simply trying to close a drawing [Source: Autodesk Forums]. autocad pm16.dll
According to Autodesk Support and community experts, you can resolve this error by following these steps in order: The error typically appears in a pop-up dialog
: Use the Microsoft .NET Framework Repair Tool to fix common installation issues. when working with xrefs