I've installed 2003 SP5.1 on a dual 2003 2004 machine and Toolbox 2003 now points to the 2004 installation (and can't open a future version - duh) Which it wasn't doing last Friday (sp5.0) Solidworks: get your bloody act in gear. Anyone have any ideas (no, not NX) or do I have to rollback / reinstall.? mutter mutter grumble mutter ps hello Mr Wolf.