The electronic seal security control is not installed in the online banking of Guangfa Bank, which may be caused by the installation of third-party software that prevents the installation of the control, or the user level of your computer login is not enough.

The specific treatment method is as follows:

1. Open IE browser, click the gear in the upper right corner of the browser and select "Internet Options".

2. Select Delete Personal Settings in the Advanced tab, and then click the Reset button.

3. After completing the prompt operation, restart the computer and reinstall the online banking.