I won't speak for the tool itself, since I have not looked at the tool itself in perhaps a decade but two points....
#1 - The ZCM Installer has not changed much over the years, so the fact it is the ZCM 2020 agent vs an older agent likely does not matter.
#2 - Windows has changed significantly over the years. Almost certainly target devices are running Windows 10 with UAC. As a result, it is not possible to run any tool from a logon script that passes and elevates permissions without generating a UAC Prompt. The tool was not likely written with UAC in mind, so you would likely need to launch the tool in a fashion that forced a UAC elevation and the users are given a UAC prompt.
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