Microsoft Knowledge Base Article 839280 contains the following summary:
This article includes the following information about this hotfix release:
- The issues that are fixed by this hotfix package.
- The prerequisites for installing the hotfix package.
- Whether you must restart your computer after you install the hotfix package.
- Whether the hotfix package is replaced by any other hotfix package.
- Whether you must make any registry changes.
- The files that are contained in the hotfix package.