Does the error happen or at a specific percentage (e.g., 5% in)? What is the mesh type (Midplane, Dual Domain, or 3D)?
Antivirus or firewall software blocking the solver executable. autodesk moldflow error 99998
As a last resort, uninstall Moldflow and then reinstall it. Make sure to also clean out any residual files and registry entries if you're comfortable doing so. Does the error happen or at a specific percentage (e
: Ensure TCP ports 27000-27009 and 2080 are open on both the client and server. As a last resort, uninstall Moldflow and then reinstall it
This article provides a deep technical dive into what this error means, why it occurs, and—most importantly—how to resolve it permanently.
Check Autodesk's community forums and discussion groups. You may find that other users have encountered and resolved similar issues.
Error 99998 is a non-specific failure code usually raised when the solver encounters a problem it can’t recover from. It often points to one of these underlying issues:
