Computers that sleep or lose contact with the DHCP server (usually your router) can have their old address proxied or cached - which currently is handled by adding (2) or incrementing the value in (x) by one if the proxied/cached address hasn't timed out when you reconnect to the network or wake the device from sleep.Computers with IPv4 and IPv6 addresses literally can be contacted in two ways and bonjour/mDNS/discoveryd isn't handling this duality well yet.In a household with 20 or so devices, not all can be updated to the latest. My guess is it will take some time for this to die down and involve Airport router changes, Airport and Apple TV updates as well as iOS and Apple updates. There still are problems if you have older Apple TV, older computers where they will get renamed and rename themselves, but your computer shouldn't rename itself if it's the only device on the network.
A BETTER FINDER RENAME 10.40 UPDATE
There still are problems if you have older Apple TV, older computers where they will get renamed and rename themselves, but your computer shouldn't rename itself if it's the only device on the network. Open the App Store and apply the 10.10.1 (or later) update and you should be set once you rename any computers that adopted the (2) names. loaded for playback, the play button is renamed open and when pressed will open. Open the App Store and apply the 10.10.1 (or later) update and you should be set once you rename any computers that adopted the (2) names. The Cinedeck user interface can be driven to a great extent using. You can still have this happen on later os, it the big made it happen rapidly and without sleep/wake cycles. The second file is hidden from Finder but will be uploaded in a 'Bulk Upload' process. This is a bug in 10.10 (the initial release) and can be fixed by simply upgrading to 10.10.1 - build 14B25. When you rename a track using a MacBook, the MacBook creates an additional file for the renamed track, so that there will be two files for each renamed track.