Security researchers have found thousands of photos from searches within the Google Images site that have been infected with malicious code. In many cases, clicking on one of these poisoned images triggers a script that makes it seem like the computer has become infected with viruses. Another Web site pops up trying to wheedle your credit-card number in exchange for fake antivirus software. (more)
Tip: If this happens, just force-quite the application. If you downloaded the photo, trash it.
PC - Press the Control-Shift-Esc keys, then End Task.
MAC - Press the Option-Command-Esc keys, click on the program and click the Force Quit button.
