It is divided into the following situations:

1. The certificate signing control is not installed. Please check if there are words similar to "Please run the add-ons required by the website? Click here to run" below your IE address bar. Click here, select "Run ActiveX add-in", and then click "Install" in the pop-up control installation prompt, and you can use it normally.

2. Lanzhou Bank UKEY management tool was not successfully installed. Please click the Lanzhou Bank UKEY management tool icon on the desktop and click whether it can be opened. If it cannot be opened, please uninstall the UKEY management tool and reinstall it.

3. Corporate customers often use UKEY confusingly, that is, the reviewer uses the UKEY of the handler, and the handler uses the UKEY of the reviewer.

4. Before using the handler or reviewer UKEY to log in to online banking, corporate operators should close all desktop browsers, then reopen the browser and enter the Lanzhou Bank website to log in to online banking.

5. The client's computer system date has expired, please set it to today's date.