Do any of you have lots of incomplete files & use the Resume/Find Sources on them all? I'm asking because if this function is applied to all or too many simultaneously, this can cause LW, your computer & devices problems. It can affect communication between the devices & computer, & if you're using UPnP then it of course can affect communication between LW & the device to keep the NAT port open. Just a thought. Maybe doesn't apply in your cases.