Recommended Update for Windows Rights Management client 1.0
Download size: 3.6 MB, < 1 minute
The Windows Rights Management (RM) client is required for your computer to run applications that provide functionality based on RM technologies. Installing this client allows RM-aware applications to work with Windows Rights Management Services (RMS) to provide licenses for publishing and consuming RM-protected information. After you install this item, you may have to restart your computer.

What does this specifically do, and did any of you install it?