Google updates its tools, interface in test release.(Main)

SAN JOSE, Calif. - Google Inc. updated its software for searching PC hard drives and the Internet, giving the free program a new look and adding tools that deliver personalized information based on a user's Web surfing habits.

Google Desktop 2, available today as a public beta test, is the company's latest volley against Microsoft Corp. and Yahoo Inc. as all three race to expand their presence on PC desktops.

The latest Google offering …