Some users have reported problems with ITCH running on machines with AMD processors. Our in-house testing has also shown that AMD equipped PCs can, in some cases cause serious performance problems.
Due to the number of reports Serato have had of this problem they do not support machines with AMD processors for use with Serato ITCH.
Try all available USB ports
Ensure you're not using a USB hub or splitter
Try plugging in an external drive (or memory stick) into another USB port on your machine - preferably the adjacent port. This may stimulate the machine’s chipset so that your problem may be fixed.