(Option C.) The driver did not have a valid digital signature. The Disable Early Launch Anti-Malware Driver option in the Advanced Boot Options menu was enabled to install the driver, as it did not have a valid digital signature.
This step was required because the driver did not have a valid digital signature. This means that the driver was not officially recognized by the operating system and could not be automatically installed. By disabling the early launch anti-malware driver option in the Advanced Boot Options menu, the system administrator was able to bypass the security checks and install the driver. This step was necessary in order to install the driver, as it was not officially recognized and could not be installed without bypassing the security checks.
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