Dear Carl The U2 help file says 23 Oct 2016. The downloaded ZIP file says 3.02. Best wishes Paul On 03/11/2016 19:54, Carl Distefano wrote: Paul, I get an application error .. with SCREENSIZE 80,43 Have you updated U2 since 21 October '16? When I command VDOSSYNC nothing happens. Are you running a recent build of vDosPlus? If so, this may simply indicate that your vDos and XyWrite screen width and length values are already in sync.