Error 99998 in Autodesk Moldflow (Insight or Adviser) typically indicates a license communication failure between the software and the server. It often occurs when the solver cannot find a valid license for your specific version or the server is unreachable. Quick Fix Guide
To reinstall:
If repairing doesn’t work, consider uninstalling and then reinstalling Moldflow. Ensure you have your product key and access to the installation media or download link. autodesk moldflow error 99998 best