The update prevents virus migration from an infected usb connected device such as a camera, external hard drive by way of auto run
That is one thing I did think off.
I shall indeed leave it where it is a present,will just 'hide' it for the time being.
This is a link giving more information(as posted by someone over at CAhttp://www.hexus.net/content/item.php?item=28947
Tbh I don't use usb flash drives from 3rd parties,just new ones I have bought myself to store photos,music etc on