When selecting the pipe to move in the move line command, you get the error;

Error!!  Restart command, and select a different pipe..

When attempting to 'Show Fittings' (SHF command), user gets an AutoCAD Fatal Error.

Create 3D Model causes a fatal error

 Or no error at all.  Autocad freezes then crashes without an error other than the AutoCAD Error Report

A software problem has caused AutoCAD to close unexpectedly

AutoCAD Error Aborting FATAL ERROR: Unhandled Access Violation Reading 0x00e0 Exception at [hex code here] Acad 2019 hex code; 2D92713Eh Fatal Error

 Hex code a51b726eh

Or no error at all.  Autocad freezes then crashes without an error other than the AutoCAD Error Report

A software problem has caused AutoCAD to close unexpectedly

When attempting to 'Start AutoLIST' (SAL command), user gets an AutoCAD Fatal Error.

Or no error at all.  Autocad freezes then crashes without an error other than the AutoCAD Error Report

A software problem has caused AutoCAD to close unexpectedly

Customer reports that when trying to move an object by exposing the grips, the process takes a very long time and almost seems like AutoCAD freezes.

"Clicking blocks and dragging by node, doing pipe sizings, etc..."

Copy and Paste takes forever, slow process

Unhandled exception has occurred in a component ... eBadLineTypeName

The Pretty Pipe setup window will not open up.

Unable to select ceiling grid intersections when using Align Crosshairs with Ceiling

While using the 'Choose Part Number' button to open HydraHEAD Selector and retrieive its description and part number, you get the errors below;

Runtime Error 713, Application-defined or object-defined error

When plotting to Bluebeam document, some HydraCAD drawing entities show up blacked out.

AutoCAD view;

PDF generated by Bluebeam;