Uninstall all escort components of CCB E Road, and then log in to Online Banking-Security Center-Software Download-Select the online banking security components suitable for the computer system and download them.
Just adjust IE browser (Tools -IE Options-Security-Restore Internet security level to the default level, and restore trusted sites to the default level).
If it still shows that the certificate is wrong and can't be used on other computers, it's just the U shield itself.
Get a new U shield or go to a bank outlet to re-sign.