If you recently updated Moldflow, ensure both and Insight (Solver) were updated to the exact same version.
(Standard, Premium, or Ultimate). If these aren't listed or are shown as "expired," you must update your license file 2. Run the License Configuration Utility autodesk moldflow error 99998 best
If you want, I can draft a concise troubleshooting email or support ticket template including the specific logs and model details to send to Autodesk support. If you recently updated Moldflow, ensure both and