Hi, Is there any correlation between the lock-up problem and any configuration option like threads or OS? -- Claude Marinier, Information Technology Group claude.marinier at dreo.dnd.ca Defence Research Establishment Ottawa (DREO) (613) 998-4901 FAX 998-2675 3701 Carling Avenue, Ottawa, Ontario K1A 0Z4 http://www.dreo.dnd.ca