I've gotten this a couple of times in the last few days as well. It
normally shows up as one of the blocks being "greyed out" (very light
colored). I delete and replace that block and it works fine again.
-----Original Message-----
From: First Lego League in Virginia and DC
[mailto:[log in to unmask]] On Behalf Of Larry & Loreen Thompson
Sent: Thursday, October 21, 2010 7:37 PM
To: [log in to unmask]
Subject: [VADCFLL-L] Error message 1003
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.