(Windows XP remote desktop has many convenient places, students can remote control this computer in other places or at home, and remote management and troubleshooting are easy and pleasant. But trouble also comes: each classmate has the right to modify the system (we are equal), once, after Amao logs in, he performs operations such as transferring files. At this time, Fatty suddenly logs in, and Amao is forcibly published. ! Full file transfer office is blocked)