Cedar Cox <cedarc(at)visionforisrael(dot)com> writes:
> When using the odbc driver from Access in Win9x we sometimes receive the
> error message "An invalid protocol character was received from the
> backend". While this could mean that someone passed gas, I don't think
> so. Anyone see this before?
That suggests that the frontend and backend got out of sync. There used
to be some bugs that could cause that, but I thought we'd fixed 'em all.
What Postgres version are you running?
If you're on 7.0 or later, I'd definitely like to see a reproducible
test case...
regards, tom lane