The macOS High Sierra 10.13.1 DMG (Disk Image) remains a critical file for users maintaining legacy Apple hardware or setting up virtual environments. Released on October 31, 2017, this specific update was a milestone for its addition of over 70 new emojis and a critical security patch for the WPA2 Wi-Fi "KRACK" vulnerability.
Wait until it finishes. The USB will be a bootable High Sierra installer. macos high sierra 10.13.1 dmg
The initial release of High Sierra (10.13.0) had several early adopter bugs, including issues with password hints, font installation, and disk formatting. Here is where came to the rescue. This first major point update addressed: The macOS High Sierra 10
: Resolved a bug where Bluetooth became unavailable during transactions. The USB will be a bootable High Sierra installer
This is the most infamous error. It usually occurs because the installer’s certificate has expired (Apple periodically revokes old certificates).