Autodesk Moldflow Error 99998 Jun 2026

C:\Users\JohnSmith\OneDrive - MegaCorp\Projects\2025\Q4\Customer_XYZ\HighPrecisionMolding\Runs\Revision_7_Final_WithVents\

Update software / check known issues

Complex 3D meshes require massive amounts of memory. If your RAM fills up and your Windows pagefile is too small or restricted, Moldflow will crash with Error 99998. Open Windows . autodesk moldflow error 99998

Sometimes, graphics drivers or display settings can cause issues:

You might see Error 99998 appearing in the middle of a run, even if your initial license check passed. The Cause: Sometimes, graphics drivers or display settings can cause

The error typically triggers due to issues in three main areas: mesh quality, CAD geometry errors, or hardware limitations. 1. Mesh and Geometry Issues

If running a 3D simulation with a high number of layers across the thickness, reduce the layer count slightly to test stability. Mesh and Geometry Issues If running a 3D

Clean up the job history and restart the Moldflow Synergy and Solver services via Windows services.msc . 4. Optimize System Memory (RAM) and Virtual Memory

Sarah had spent two weeks building her simulation model. It was a complex, thin-walled medical device housing with tight tolerances for flatness. She had meticulously repaired the mesh, assigned the correct fiber-filled material (DuPont Zytel®), and set the injection location to a tricky center diaphragm gate.

Confirm that the solver feature codes (e.g., MFIB , MFIP , or MFIA ) are listed and not expired. :

Add exclusions in your Antivirus/Windows Defender for the Autodesk installation folder (usually C:\Program Files\Autodesk\Moldflow... ).