Yahoo Messenger Hacks IE

Versions downloaded prior to June 8, 2007, create a gaping hole in Internet Explorer by adding a flawed ActiveX control to IE. A hacked Web page can target the ActiveX control and take over your PC. Download the latest YM version; and read more about the issue.

HP Laptop Help Flaw

HP isn't saying much about it, but a problem with the Help and Support Center on all of its Windows XP notebooks can let an attacker read or write files on your HP laptop if you view a malicious site. For the fix, you'll need to download a 6.2MB update.

QuickTime Java Vulnerability

Versions 7.1.5 and older of Apple's program allow for a drive-by download if you visit a tainted Web site with a booby-trapped Java applet. You can disable or uninstall Java (upgrading Java itself won't help) to avoid the risk, or get QuickTime 7.1.6.

Found a hardware or software bug? We want to know about it. E-mail us at bugs@pcworld.com.