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Screen Definition File

Posted: Sun Jun 05, 2011 10:28 am
by ru67phs63
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