You may be using the IE7 browser. The reason for this phenomenon is that when installing the ICBC control, in order to ensure that you can use online banking normally, the control modifies your IE settings. Three methods are provided for you to try:

Method 1: Click "Continue browsing this webpage (not recommended)" to log in to online banking normally.

Method 2: Set as follows:

1. Export the ICBC certificate icbcca.cer through IE options---Content---Certificate---Others;

2. Through IE options-- -Content---Certificate---Trusted root certificate authority, import the ICBC certificate icbcca.cer

3. After closing the IE browser, reopen it and you can log in normally. Certificate security error message

Method 3: Change the browser. If you use Maxthon browser, you will not have this problem.