WASHINGTON -- Microsoft Corp., whose popular Windows software is a frequent target for Internet viruses, is offering a free security program to remove the most dangerous infections from computers. The ...

Microsoft Corp. has posted a second beta version of Windows Defender, its free spyware-removal tool. The program is in a name-change transition: Windows Defender initially was called Windows ...

Tons of readers have written to complain that our column recommending the free spyware removal tool Spybot — Search and Destroy misled them. It’s not free, they said. But it really is free. What ...