I too had Windows Defender quarantine the file as it thought it was Trojan plock.
If the issue is the compression of the installer files, perhaps a version of the install that is larger but uncompressed?
I’m excited about the program (both to prevent bitrot of raw photo files which should never change on their own and early alert for ransomware) but won’t install it as is.
I will watch the author’s blog for updates http://blog.domador.net/