1, click on the file, view the file name, found no extended name (example. Word), select the computer.
2, select the organization (Win7 system), select folders and search options.
3, click the View button.
4, pull down the menu, find the hidden file type and extension, remove the corresponding hook, click OK.
5. Here, re-view the file name will find the file here is. PDF format is a PDF reading document that requires a PDF reader to open, right click on the file, select Open mode, and select the Open software that matches the extension. (Note: If there is no corresponding software, you can go to the System home website to choose the right software to install)
6, remove the red box on the hook, click OK.
1, if you do not know the extension name, you can search the relevant information Baidu, determine what is the file.
2, let your computer expand the name display, can prevent you to open the hidden virus program. (. EXE executable file)