>Thanks all,
>Yes, I had to re-create the index - but was just curious as to why the pointer hung only in 1 direction under 1 browse condition.
>We did find that there was a user workstation losing power and going down hard on occasion.
>Maybe that was damaging the cdx.

Most probably so. And, as Victor says, once it hits the bad spot (like it did when you tried going down), it may try to resolve it, or can just hang. The index is basically a jump list, and a trashed index may cause a jump into places where there be dragons.