Thank for your answer ED.

1. No Screen Saver
2. Tab performance was OK.
3. Size adjusted as you state, hope CPU in your formula is number of CPUs.
4. NTFS was already installed.

I am using SBS ver. 4.0. Proxy Server is working OK, 3 people surf the net with one 56K connection as is OK.

The NTFAQ site was very interesting, I'm still checking. There is some performance issue about 16 app. running under NT 4, but only the Data is on the server and the application is on the clients.

Meanwhile I move the data to a W95 station on the net, and rerouted the clients to that station and the application is flying. This never happened with other Netware situations.

I am very concern about NT. Any other comment is welcome.

Manuel.