Your antivirus software (McAfee, Symantec, Windows Defender) sees Moldflow’s solver generating thousands of small temporary files and thinks it’s ransomware.
Moldflow operates like a factory floor. The solver needs exclusive rights to read input files ( .sdy ) and write output files ( .mfr , .op2 ) without interference. Error 99998 fires when the operating system or network says: "Sorry, that file is in use by someone else." autodesk moldflow error 99998 exclusive
