I had this problem at one of the schools I worked with. Their tech staff had installed 2.0 on a system that still had 1.1 installed (both versions were installed but neither worked correctly). The systems were Macs - I would recommend not using Macs if possible since the robo educator and some of the help files depend on it - and Mr. Jobs has deemed flash to be a bad thing. A clean install of version 2.0 has proven very reliable but flash remains a problem on the Mac. On 10/21/10 8:24 PM, "Maura Bollinger" <[log in to unmask]> wrote: > I had this message too. It happened after I updated my NXT software to > the 2.1 version off of the Lego education site. I uninstalled > everything and reinstalled the from the disc (version 2.0)--no problems now. > > Maura Bollinger > > On 10/21/2010 7:37 PM, Larry & Loreen Thompson wrote: >> Has anyone experienced an error with Mindstorms that prevented them >> from downloading their programs to their robots? We are getting this >> error: >> >> LEGO MINDSTORMS Education NXT Software has encountered an error... >> >> A required file is broken >> >> Ensure that the LEGO MINDSTORMS NXT Software is correctly installed. >> >> Reinstall the LEGO MINDSTORMS NXT driver on your computer. >> >> Error code: 1003 >> >> We now have 3 computers that have given us this error. Each of the >> computers is being used with different programs and different robots. >> >> Any advice would be greatly appreciated. >> Loreen >> >> -- To UNSUBSCRIBE or CHANGE your settings, please visit >> https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or >> leave the list". >> >> -- VADCFLL administrative announcements are sent via VADCFLL-ADMIN-L. >> Visit https://listserv.jmu.edu/archives/vadcfll-admin-l.html to >> subscribe. >> > > -- To UNSUBSCRIBE or CHANGE your settings, please visit > https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the > list". > > -- VADCFLL administrative announcements are sent via VADCFLL-ADMIN-L. Visit > https://listserv.jmu.edu/archives/vadcfll-admin-l.html to subscribe. -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ADMIN-L. Visit https://listserv.jmu.edu/archives/vadcfll-admin-l.html to subscribe.