2. There is something wrong with the system. Solution: Customer logs on to the home page. The system prompts the customer to install the certificate update control. A prompt box will appear on the page to enter the serial number and verification code of USBKey. Click Next to enter the certificate download or certificate update page, and then click Update.
3. There is no current digital certificate client, or the client is damaged and needs to be reinstalled; There is something wrong with the CA certificate. Try another computer. If the verification still fails, you need to go to the tax bureau to reissue a CA certificate. A CA also has a certificate (including a public key and a private key).
Please pull out the certificate and reconnect it, and then restart the computer. Unplug the U shield and check whether there is an unknown driver with a question mark in the smart card reader of the device manager of the computer. If so, click the right mouse button to uninstall it and restart the computer. Then install the driver again and insert the certificate.
5. After the tender is compiled in the bidding software, the digital certificate is used for stamping and encryption. If the signature of the digital certificate can't be verified because the computer is turned off improperly, you can press F8 to open the system with the signature of prohibiting forced driving, but some software can't be opened, and it is also very troublesome to start the computer.
6. Change to another browser. The server policy cannot be downloaded because it is not supported by the browser. You can try another browser. Digital Certificate Assistant is a digital certificate authentication system (TopCA.CN) independently developed by Tiancheng Anxin Technology Co., Ltd. and enjoying completely independent intellectual property rights.