It may be that the user information page is an information login error, or it has become invalid.

In this case, we need to download the standard version of our certificate again. We need to go back to the certificate assistant and reinstall it, and then log in to the standard version of the certificate assistant to confirm that the pin code is correct. If you are not sure, you can modify the PIN code in the certificate and log in to the Trademark Office system official website.