Solve : Computer classroom always virus infected.?

1.	Solve : Computer classroom always virus infected.?
Answer» Every one, we are computer classroom adminitrator, because all COMPUTERS are USED for all students. during one week, there is virus infected, it is REALLY headached to manage all computers when there is virus infected. Is there any good way to solve this problem? Don't you INSTALL antivirus software? It does't WORK?

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