Sylvain,

It turns out that 1 PC had the table opened shared and was performing an APPEND FROM that took awhile. The other PC attempted to USE the file and that produced the "File is in use by another user." error.

Thanks for your help.

Jerry



>Can you put a breakmark before the USE and check your SET EXCLUSIVE setting? You could also try

USE mytable IN 0 SHARED

>
>>My error routine is currently trapping errors and it says that the following line is causing the "File is in use by another user.":
>> USE mytable IN 0
>>
>>I am trying to fix this but I can't reproduce the error "File is in use by another user.". I my testing I always get the "File Access Denied", assuming that the table is opened exclusively already.
>>
>>So far I have not been able to reproduce the "File is in use by another user." error.