Make sure the V5 CD is clean and free of debri before attempting to install. Also make sure that any anti-virus softwares or firewalls that would prevent registry modification are shut down prior to install.
If you continue to have a problem give us a call here and ask for eCabinet support.
Pete Riddle
Programming Support
Thermwood Corporation
htttp://thermwood.com
Phone: 001 812 937 4476
Fax: 001 812 489 1155