Just a thought >> What version are we on?? REM: VFP 3.0 has some release errors on memory handling.

Failing that >> depends on where the hang up it. Run a step on the =tableupdate() in your test environment. Set up a macros or similar to process 500+ appends and see what happens.

This looks interesting. But now Friday comes to NZ as the world continues.. Will look in on Monday (NZ).

HTH Ric