unameme wroteThat's not guilt of Runeaudio or rspberry, but your router.
I run Rpi2 with Rune for over a week(did not restart it once) and it's still running wery well.
Is your Rpi2 connected to your router via ethernet or wifi dongle? I think the issue lies within the wifi dongle as i stated, nothing else disconnects just my raspberry pis.