After sql20 12 is started, the logo is not displayed in the lower right corner, and the Huaxia book management software used before can only be installed if it is displayed in the lower right corner. How to solve this problem? This icon is not locked, indicating system security protection: having this icon indicates that the file is not a system file. The system firewall automatically thinks that the file may have a bad influence on the system. If you need system administrator privileges to run the file, right-click the file and select Run in Administrator Mode.