Before you install this Beta release, back up all MP3 files that might be accessed by the Windows 7 – The first hotfix for Windows 7
Here’s the warning by Microsoft for those who intends to download and install Windows 7 beta:
To protect your MP3 files:
- Before you install this Beta release, back up all MP3 files that might be accessed by the computer, including those on removable media or network shares.
- Install the Beta release of Windows 7; download and install the Update to Windows 7 Beta (KB961367) located on this page.
Microsoft releases Update for Windows 7 Beta (KB961367) in MSDN and TechNet Subscriber Downloads page to fix the bug and protect the MP3 files for users who use the Windows 7 beta build 7000. The KB961367 is not be published on Microsoft Download Center yet.