The specific encryption methods are as follows:
1. Find a U disk, and then in the inside a new file, as to what everyone can casually come, file name and anything is not limited, small series on the example of. txt.
2. Create a new Notepad on the disk of your computer, copy the Ifnotexisth:.txtshutdown-s-t10-c "You cannot use the computer" to Notepad, and change the suffix name to. bat Save as a batch file; It needs to be noted that H is the USB disk letter. TXT for the new file name, and quotes in the text, you can change according to their own preferences, mainly in front of the letter and file name not to be mistaken.
3. Start menu--run input gpedit.msc Enter to open Group Policy, then locate local computer "policy → computer Configuration →windows settings → script (start/shutdown) and then in the box on the right, select the" Startup "item and add the batch file that you just created to the list of startup scripts. Be sure and quit on it.