Oct 7, 2013 Update for Windows 7 for x64-based Systems (KB2852386). Important! Selecting a language below will dynamically change the complete page .Oct 12, 2009 Update for Windows 7 for x64-based Systems (KB974431). Important! Selecting a language below will dynamically change the complete page .7.1+2 Channel HD Audio Codec with Content Protection : General Description: The ALC1150 is a high-performance multi-channel High Definition Audio Codec with Realtek proprietary lossless content protection technology that protects pre-recorded content while still allowing full-rate audio enjoyment from DVD audio, Blu-ray DVD, or HD DVD discs.Jan 8, 2009 Install this update to resolve live and recorded TV issues in Windows Media Center, recorded TV playback issues in Windows Media Player, .Mar 22, 2011 Install this update to resolve an issue which requires an update to the certificate revocation list on Windows systems and to keep your systems .Mar 9, 2010 Install this update to resolve issues with non-compatible applications for Windows.