For my iMac it's impossible to install the release 10.4.3, I have the message <requested range not satisfiable> I have download from apple and automatic, I have the same message when I want install the new release.
Are you saying the Mojave 10.1.4.3 will not install
or not download
or corrupt download?
From >System Preferences>Software Update
macOS 10.14 Mojave - Technical Specifications:
https://support.apple.com/kb/SP777
Upgrade to macOS Mojave - Official Apple Support
https://support.apple.com/macos/mojave
https://itunes.apple.com/us/app/macos-mojave/id1398502828?mt=12
MacBook (Early 2015 or newer)
MacBook Air (Mid 2012 or newer)
MacBook Pro (Mid 2012 or newer)
Mac mini (Late 2012 or newer)
iMac (Late 2012 or newer)
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Mac Pro (Late 2013; Mid 2010 and Mid 2012 models with recommended Metal-capable graphics cards)
If you have an issue trying to download or install try a safe boot to download or install
Use safe mode to isolate issues with your Mac