Prompt during transaction: Error in obtaining the length of signature package! The error code is 0x8009000d. How to solve this problem? (1) Check whether the certificate is successfully connected to the computer. (2) Check whether the certificate manufacturer correctly installed the certificate driver. (3) Delete the old certificate from the browser (key check). (4) Reinstall the latest drivers and patches. (5) It is recommended that you reinstall the system or replace the computer. (6) If the problem still exists, please go to the outlet to restore the certificate and download it.