This link may shed some light on it, or it may be completely off
track:

http://www.mers.com/IB_0436.HTML

--- In ib-support@y..., GreatDayDan <greatdaydan@y...> wrote:
> find the dll (BLR offset error, or somthing like
> that).

Try to be accurate when reporting the error messages you
encounter. "Something like that" is not particularly useful for
others who want to help you to pinpoint the problem. :-) Note also,
a Google search for 'blr offset error' will give you many clues to
follow.

Regards,
Andrew Ferguson