Apple TV 3.0.1 Important Bug Fix

Apple TV 3.0.1 update required to prevent content from temporarily disappearing until re-synced

There is an issue with Apple TV software version 3.0 that can possibly cause your content to disappear after a period of time. All customers running Apple TV software version 3.0 should immediately restart their Apple TV and then upgrade to Apple TV software version 3.0.1.

If you’ve installed the Apple TV 3.0 software update, you should immediately update to version 3.0.1. This prevents content from temporarily disappearing until it is resynced.
To update your Apple TV software:

1. Reboot your Apple TV (unplug the power cord and plug it back in)
2. Select Settings > General from the main menu
3. Select Update Software
4. Select Download and Install

Note: Your Apple TV will conduct a restart, which is followed by the Apple logo and a status bar.

For more information, please refer to this article:
http://support.apple.com/kb/TS3116