Just getting up to date and I notice Microsoft has posted a page for the Media Center problems with the latest Windows 7 release. http://support.microsoft.com/kb/961367 is the page where you can find the information and the hotfix. It explains the problem and has the official Microsoft links to the download. Fixes play back and record issues along with the MP3 problem I spoke about before in my post Windows 7 Beta is Available Now.
Windows 7 Beta 1 is now available to TechNet subscribers. The 64 bit and 32 bit versions are in the downloads section, along with a hot fix, language packs and a drivers pack.
I though it was Interesting to see the instructions to the DVD, “backup all MP3 files before installing Windows 7”. That hot fix in the directory also needs to be installed which solves the mp3 issue. The problem with Windows 7 and MP3s is covered by a Knowledge Base Article, (kb961367) and information about the problem can be found at BlogsDNA.
Be sure to check it out.