Today Microsoft has released the latests cumulative update for Media Center 2005 Rollup 2.

Incorrect guide data for ATSC minor channels that you have manually added
After you manually add Advanced Television Systems Committee (ATSC) minor channels and install Update Rollup 2 for Windows XP Media Center Edition, the minor channels may not have unique guide data associated with them. 

ATSC channels move into a five-digit channel range
When you configure a satellite service provider and an over-the-air ATSC, the ATSC channels may move into a five-digit channel range. Because of this problem, you cannot type a channel number by using the Media Center remote control or keyboard. 

Delay when you change DVB-T channels
There may be a long delay when you switch between audio-only and TV DVB-T channels. 

Teletext bar remains on the screen after you use transport controls
The Teletext bar does not disappear after you use the transport controls when you are recording a program that has Teletext subtitles.

Teletext blinks frequently

Closed captions do not display correctly
Some closed captioning may not display correctly. 

Media Center computer is not suspended after you use the TV tuner
After you install Update Rollup 2 for Windows XP Media Center Edition, the Media Center Edition computer is not suspended if the tuner has been used. 

DVB-T scanning does not work correctly in the Czech edition of Windows XP Media Center Edition 2005

You receive a "Unsupported File Type" error message when you burn a DVD video
When you try to burn a DVD video by using the Cyberlink PowerDVD MPEG2 decoder, you may receive a "Unsupported File Type" error message. This problem occurs after you install Update Rollup 2 for Windows XP Media Center Edition 2005. This update adds an additional AC3 decoder to the list of supported decoders. 

Tuning information is missing for the 1 MUX on 186 megahertz (MHz) setting in the Italian version of Windows XP Media Center Edition 2005
The Italian version of Windows XP Media Center Edition 2005 may be missing tuning information for the 1 MUX on 186 MHz setting. This update also adds the appropriate DVB-T table for Italian versions of Windows XP Media Center Edition 2005. 

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