Hewlett-Packard Co. (HP), the world's largest PC vendor, has filed another lawsuit against its fastest growing rival, Acer Inc., as competition in the PC industry continues to heat up.

The Word 2007 bugs pegged as security vulnerabilities by an Israeli researcher are nothing of the sort, Microsoft Corp. said Thursday. Instead, the application crashes reported as flaws are actually by design.

Mozilla Corp.'s Firefox suffered from 26 percent fewer vulnerabilities in the second half of 2006 than Microsoft Corp.'s Internet Explorer, a security company's research said Monday.

Little-known Texas MP3 Technologies Ltd. is taking on Apple Inc., Samsung Electronics Co. Ltd. and Sandisk Corp. with a patent-infringement lawsuit.

Mozilla Corp. updated Firefox Friday to patch 14 vulnerabilities, three of them critical, but pushed out the new versions without fixing several flaws.

More than 3,000 pieces of evidence in the antitrust lawsuit between Iowa consumers and Microsoft Corp. were posted to a public Web site late Thursday. Thousands more could be posted, pending a ruling from the presiding judge on objections raised by Microsoft.

Just as the number of Bluetooth device users passed the billion mark, a lawsuit threatens the momentum of the short range wireless technology.

Microsoft Corp. has initiated 97 lawsuits throughout Europe and the Middle East during its eight-month investigation into fraudulent Web pages, with another 32 criminal complaints filed in cooperation with local authorities, the company said Wednesday.

Toshiba Corp. and Micron Technology Inc. have settled a number of outstanding lawsuits regarding alleged patent infringement and theft of trade secrets related to computer memory chips.

Microsoft Corp. has issued nine security updates addressing critical flaws in its Office and Windows products. The updates patch two worrisome PowerPoint flaws that could allow attackers to seize control of a PC, the company said Tuesday.

A net neutrality law isn't needed because the U.S. already has antitrust laws that would keep broadband carriers from acting in an uncompetitive manner, Internet pioneer David Farber said Monday in a debate against TCP/IP co-creator Vinton Cerf.

Microsoft Corp. has filed 26 lawsuits against alleged dealers of pirated software in seven U.S. states, the company said Tuesday. Microsoft claims the companies sold pirated software or computers loaded with pirated software.

A Belgian company has refiled a lawsuit over search terms offered by Google Inc.'s toolbar that directs users to pirated software.

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.