1, it is possible that the theme of the desktop has been changed, and some themes need to be displayed in their own fonts. If this font is not installed, the right-click menu will appear garbled. You can try to switch back to classic windows to see if there will be garbled code. (Right-click Desktop-Properties-Theme-windows Classic Style)

2. It is also possible that there is a problem with the default language of the system. You can start-Control Panel-Regional and Language Options. In the regional options, select Chinese (China), and then select Chinese (China) in the advanced tab. Then just restart the computer.

3. Check whether the fonts required by the computer are installed. Some optimization software will uninstall many fonts of the system, which can speed up the operation of the machine, but it will undoubtedly have such disadvantages. (You can open Start-Control Panel-Font on a common machine, copy it, and then paste it into the font folder of your computer, and the font is installed. You may be prompted that a font has been installed. Are you sure? Just confirm it directly )

4, do not rule out the interference of the virus, first anti-virus, if it has not recovered, it is recommended to reinstall the system.