Installing 40 Units PCs in two days

Finished finally, after two hard day maintenancing 40 unit PCs, and the hard things is i installed it all ! Even i used ghost application it still feels hard work. The problems is like i ever post before, the strange thing is i didnt found any criteria of the arp spoof attack like what i found on google search result. That is such attack from china hacker that inject on our browser and that