I think this is it.
DRM = Digital Rights Management
<A HREF="http://www.microsoft.com/windows/windowsmedia/drm.asp" target="_new">Windows Media DRM</A>
<A HREF="http://www.microsoft.com/windows/windowsmedia/9series/drm.asp" target="_new">Windows Media Digital Rights Management 9 Series</A>
There is a feature in Windows Media Player under Tools\Options\Player\Internet Settings ... "Acquire licenses automatically".
This folder is where the license files are stored.
These links are also fairly interesting:
<A HREF="http://support.microsoft.com/default.aspx?scid=kb;en-us;Q234332" target="_new">Windows Media Player Error When Playing Packaged Media</A>
<A HREF="http://support.microsoft.com/default.aspx?scid=kb;EN-US;Q297751" target="_new">Cannot Acquire DRM License with Netscape 6 as Your Default Browser</A>
I believe this information should finally put you on the right track.
Toejam31
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