I updated libusb-0.1.so.4 to libusb-dev in ubuntu 18.04 LTS and the error was gone.
BTW: i am astonished how such an error can remain so long in the operating system :-( -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1018677 Title: scanner doesn't work on bootup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libusb/+bug/1018677/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
