Windows 8.1: USB MIDI Device Works on USB 2.0 Port, Doesn’t Work on USB 3.0 Port

Last update: September 2nd 2014 Note: A fix for this issue is included in August 2014 update rollup. Please apply the update using this link http://support.microsoft.com/kb/2975719.  After the fix is applied, the timestamp on c:\windows\system32\drivers\usbhub3.sys should be 7/24/2014 or later. Some USB MIDI devices have been found to not function correctly when plugged into a USB 3.0…

26