I have 6 erupters, been running them 24/7 for a little over a month now. The weird thing is, I can plug them in individually into my motherboard's usb slots and use cgminer, but when using the hub (Orico Super Speed 10) have to use BFGminer to get them running.. for whatever the reason cgminer won't pick the hub up.
OK this is making more sense what I have pieced together then is most likely cgminer doesn't work with USB 3.0 hubs but BFGminer can. If this is your hub Super Speed 10 Port USB 3.0 HUB with Power Switch Aluminum alloy hub ORICO A3H10. Thank you