I'm suffering from below problems. 1. I have LAN, with around 25 workstation connected. But some of them are using the pc's for playing game instead of work. I want to control from my pc, as admint to able to see their activity, and if i found they misuse the pc during work time, i can sutdown their pc. Is it possible? what software that i need to use? 2. We using outlook express, email for work. But many time we receiving junk email with content advertisement. it's disturbing us, since flooding to our mailbox, probably some of them are viruses. is there any tools or software to block it. 3. We sometimes using yahoo or MSN for chat. but many time other user are disturbing us by keep sending message, and i surprise that he knows my IP address. I don't know how can he saw my IP address, and how can he, some time sutdowning my pc from internet. Is there any software that i can use to see others IP address trough internet? and how it work. please let me know. Anybody can help me, please?