Reinstall IJ Scan Utility from the web page.
Reinstall the scanner driver from the web page. If an error occurs, use the manual method instead. This will download the latest version of Package Control and verify it using public key cryptography. Unfortunately, not all users who had macOS Mojave installed on their. It is available with a number of new features and updates. Press and hold down the Command (⌘) and Control (Ctrl) keys along with the power button (or the Touch ID / Eject button, depending on the Mac model) until the screen goes blank and the machine restarts. I can't remember the file offhand, but I already have 'special' mounts for my /Users partition, and I'm sure all of the swap-drive hacks are similar. Solution 1: You can disable/uninstall any Anti-virus software that is installed on your Mac device if macOS 10.14 update fail to complete.
You can consider installing macOS 10.14 Mojave upgrade in safe mode to fix macOS 10.14 update failure/stuck/installation error.