VueScan bypasses the need for the original UMAX VistaScan software.
Select "Properties," go to the "Compatibility" tab, and set it to "Windows XP (Service Pack 3)." umax usc 5800 scanner driver for windows 10 top
Install the original VistaScan 3.55 drivers inside the XP environment. Troubleshooting Connectivity Issues VueScan bypasses the need for the original UMAX