Gerard, a similar thread with possible help for you:

VFP6: Delayed Write Failed Thread #747977 Message #747977


>Hi.
>I'm getting this error in an app when I am appending or copying a largish file (say around 30,000 records)
>
>It seems to happen at the end of the copying . If I ok it, it continues on and does not 'seem' to lose any data .
>
>It happens about 3 out of 4 times on a big file operation, but otherwise the APP seems to be fine in dat to day running.
>
>(Running Windows 2000 w/s onto Windows 2000 server, VFP6)
>
>Anybody got any ideas what this is all about.
>Regards,
>
>Gerard