2. The electronic signature certificate is not installed or activated: the electronic signature certificate can only be used after it is installed and activated. If the certificate is not installed or activated, the electronic signature cannot be used for industrial and commercial changes.
3. The electronic signature certificate is damaged or lost: the electronic signature certificate is damaged or lost, and the electronic signature cannot be used for industrial and commercial changes.
4. Network connection: Electronic signature needs to be verified and signed through the network. If the network connection is unstable or there is a problem, the electronic signature cannot be used for industrial and commercial changes.