Microsoft has released security bulletin MS06-049. The security bulletin contains all the relevant information about the security update. This information includes file manifest information and deployment options. To view the complete security bulletin, visit the following Microsoft Web sites:
After you install the original version of security update 920958 (MS06-049) on a computer that is using NTFS file system compression, compressed files that are larger than 4 kilobytes (KB) may be corrupted when you create or update the files. To resolve this problem, install the new version of security update 920958 (MS06-049) that released on September 26, 2006.
For more information about this issue, click the following article number to view the article in the Microsoft Knowledge Base:
Compressed files that are larger than 4 kilobytes may be corrupted when you create or update the files