Hi.. bit of an odd one but... I have an old XP machine I used for some stuff when XP is a good option. However, I'm currently having trouble with a USB extension cable. When i plug it in with a load (in this case, an external mni-Sata to USB converter with way too short a cable) it just comes up "Device not recognised".. but when i plug the cable without the extension, it works fine. When i plug it into another USB extension cable (which is longer) it works fine. When i plug the 'faulty' cable in to my win10 machine, it works fine. the XP machine is the only one i got which it doesn't like that cable. It's a very simple and pretty small-ish USB extension cable with four pins to four wires. I've checked it out and it's fine.. it works on other stuff too so... it's confusing the hell out of me. As it's just a simple extension cable, i can really see no reason why it should be creating stuff bother.