>>Yes i use an optimistic buffer on each tables damaged. But as I said there where no operations in progress when the server crashed.
>
>What is your network software? We use NT Server, and it's very robust at avoiding data loss/corruption.
>
>Incidentally, I have had tables with the exact problem you describe from network crashes... This was back in 2.x FP, and when we used OS2 and/or Lan Manager...

The application runs under windows '95, as it's used by not more than three or four users I thought it was unecessary to use Windows NT.
Anyway if there is no solution to this problem I'll try to avoid the use of the server for other applications to minimize the risk of system blocks.

Alessio