Jean-Rene,

It sounds as though each user's system still points to your network files. The problem may be in the data enviornments in some of your forms.

Do any forms leave tables open after use?

Does your application open files exclusively and hold them open?

Do you get this problem with only one user on the system? If so, it could be an attempt to open a file (in exclusive mode) that was left open by the same user.

If Nancy Folsom's idea or mine do not solve the problem, you may want to give your local tables different names like TempXYZ, and use memvars in the forms.

HTH