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Mitsubishi plcusb driver installation digital signature verification failed.
System bug, network problem.

1, the system bug is that there is a problem in the installation system of Mitsubishi plcusb driver, which leads to the failure of digital signature verification, and it can be repaired by the official.

2. The network problem is that the network connected to its own equipment fluctuates greatly, which leads to the failure of digital signature verification of Mitsubishi plcusb driver installation. Just change the network and reopen it.