>It reads:
>'Structural .CDX file is not found'
>
>I don't understand why or how it is bypassing my error handler. I think this is error #1707.

That is the exact message I get if I do not use the ON ERROR lFailed = .T. line in the sample code I gave you. I would use the debugger to trace through the code 1 line at a time. Place ON('ERROR') in the Debugger watch window to make sure someting is not turning off the ON ERROR trap.