All 3 extensions (.DBF, .CDX and .FPT) should be excluded from on-access virus scan.
>Yes, that's what I had in mind when writing 'some process'. But the main suspect is the virus scanner.
>
>As an alternative workaround (instead of modifying the exception handler), I might ask the network operators to exclude .FPT files from the (on-access) virus scanning.
>
--sb--