Symantec on Thursday filed a lawsuit against Microsoft alleging that the software giant violated a contract over the use of intellectual property and used the technology to develop a competing product.

Apple Computer Inc. is facing a lawsuit over technology within its popular iPod digital music player and two related applications.

Microsoft Corp. faces more problems in South Korea after a company sued the U.S. software giant over its bundling of Windows Media Player with the Windows operating system.

Symantec Corp. Friday said it has reached an out-of-court agreement in its adware lawsuit against New York-based Hotbar.com Inc. The deal calls for Symantec to dismiss its suit, but continue to classify Hotbar's program files as low-risk adware.

A Delaware judge has lifted a stay in an ongoing lawsuit between Rambus Inc. and Micron Technologies Inc., allowing Rambus to file new claims and to proceed in its patent infringement suit against the Boise, Idaho, memory chip maker.

As part of its monthly security updates, Microsoft Corp. Tuesday released patches for two critical vulnerabilities in its products. The more serious of the two flaws is a remote code execution vulnerability affecting Microsoft Outlook and Microsoft Exchange Server products.

Microsoft Corp. has blocked the site of a Chinese blogger critical of the government, raising sharp questions from its own employees over how far the company should go in abiding by restrictive laws used to curtail free speech and press in the communist country.