This USB scanner from Visioneer has been around for the past few years and is still very popular. Check to see if you have the correct scanner connected to your computer and not a Visioneer 4400 scanner which is also listed here. Always ensure that you scan all files downloaded from the internet with a malware scanner and also clean you computer with CCleaner.
The Visioneer USB Scanner driver listed here is for the Visioneer 4400 Scanner. This includes the model FU661E scanner. Note you have to uninstall your current drivers before you install this driver. Note also that this will work on a Windows 98/Me and also the Windows 200/XP range of operating systems.