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China Agricultural Bank Tian Fei Chengxin K Bao Second Generation Prompt: The signature verification of the installation file failed.
Hello, don't worry, I'm a technician of ABC Tian Fei Chengxin K Bao, and I can help you solve your problem.

The installation failure report "Unable to verify the signature of the installation file" may be caused by incorrect system time, lack of root certificate or other reasons.

You can solve the problem by downloading the installation package file directly and running the installation.

Download address:

If you have any questions, please contact me by email and I will try my best to solve them for you. Thanks for your support.