I have been using this scanner for over a year now (2 of them), no problems whatsoever in Windows 10. After upgrading to Windows 11, the software installs, but the services do not start because they tell me "No connected scanner. Connect scanner and try again".
I tried using new USB cables, connected to USB hub and directly to the desktop, updated to latest drivers, even tried changing Compatibility settings, etc.
I had this same issue. I went to add/remove programs and uninstalled everything relating to the visioneer scanner and the OneTouch software. I then downloaded a fresh copy of the drivers and OneTouch software installer from the Visioneer website. Installed the drivers first, then OneTouch, and all is now working like it's supposed to.