Running an MX3 under XP Pro - SP 3 - been running for several years - today getting message "The LCD/VFD screen definition file has been tampered with, or is not signed correctly, cannot proceed" - restored folder from backup with no luck - how do I correct?? - thank you - Marty

Jon - this has solved the problem - thanks for the help - MO ROCKS - Marty

Just installed an MX#310 - running with sample screens. Unit goes blank after approximately 37 minutes - virtual display still ok. With LCDC can send test messages - show on virtual unit only - and can locate. If I unplug and plug back in the USB cable the cycle starts all over again. Unistalled the...