I can take the same USB memory stick, insert it into the hub, and it goes completely unrecognized, then plug it in elsewhere (on the same machine), put any kind of files on it, then plug it back into the hub, and it works.
Thank you for contacting Plugable support! I’d be more than happy to assist you with this issue.
We have a troubleshooting tool that helps us find out what is going on in situations like this. Please plug the hub into your computer, then go to this page and follow the instructions there:
Please don’t hesitate to let us know of other questions.
Thanks again for contacting Plugable support and best wishes!