E.U. Firm Probes Area Firm's  Ownership A Bethesda company owned by Microsoft Corp. and Time Warner Inc. is the subject of an investigation  into whether the firm's software will give the two media giants a monopoly in copyright protection. &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;