>The problem is the size of the page buffers. The page buffers is set
>too high, for classic. Change the page buffers, ideally for classic,
>anywhere between 75 and 150 pages.

Thanks, I haven't gone there yet, as customer says memory usage is lower than normal when the slow down happens (but, being 32 bit, maybe there is some internal memory limitation occurring...)

I'll give it a try...