It can be solved by the following methods: (1) The golden tax plate is not connected well or cannot be inserted; (2) Incorrect continuous input of certificate password; (3) There is something wrong with the certificate in the golden tax plate, which needs to be reissued. (4) This prompt first confirms whether the computer detects the golden tax plate. Please check whether the USB interface of the golden tax tray is connected correctly and whether the disk drive of the device manager is normal.

The storage medium of digital certificate mainly includes disk, IC card and electronic intelligent key. Among them, the electronic intelligent key is small and beautiful, easy to carry and supports plug and play; Not easy to damage, strong physical safety; Built-in microprocessor is used for encryption, decryption, signature and verification, and key encryption storage does not need to be imported into memory, so it becomes the first choice for digital certificate storage.

Internet tax filing requirements: (1) The computer used for tax filing needs to be connected to the Internet; (2) The computer environment requirements are: the operating system is Chinese version of Windows98/me/2000/XP/7, the browser is Internet Explorer(IE)6.0 or above, and the key length is 128 bits; (3) A digital certificate representing the true identity of the enterprise has been obtained from HNCA; (4) USB interface is installed on the computer. (5) Digital certificates, online tax returns and other software have been successfully installed.