Control Remot Hard Drives and lock it for local users

[pnrkumar]

I'm running a Cyber Cafe with four systems. All the systems are installed with Windows XP Professional SP2. I want to control the hard disks in all the systems at the same time These drives should not be accessible by local users.

Details:-

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I'm using one system as Server (Specifications : Intel Pentium Dual Core processor, Mercury Mother board, 160GB seagate harddisk, 1GB RAM). I'm using Freeproxy to share the internet connection. (BSNL India Broadband)

All other systems have AMD Sempron Processor, 512MB RAM, 80GB Hard Disk( Except System 2 which have 160GB Hard Disk).

I've stored lot of data in all the systems and shared those drives to access from server. But I don't want my customers to access those data. Many times my customers use pendrives and may copy my data or they may upload to remote servers. I want to restrict them from accessing local drives, installing any kind of application or software and change any settings. At the same time I want to access those drives from my system2, system3, and system 4 from server.

I've also shared some folders from server to access from other systems with guest account password(Shared folders are protected by guest account password).

Till now I'm using folder lock software to block the drives. This will also restrict me accessing these drives from my server. Due to cost factors I cannot buy more harddisks. I want to utilize the resources already available.

Is there any solution for this problem? Please help me to solve this issue. Thanks in advance.