If you get prompted to update Flash, do it quickly, especially if you are on Windows XP. Chrome includes Flash, but updates automatically (if your Chrome menu turns green – it needs you to restart to apply the new version). Keeping your PC updated is the #1 way to avoid virus and malware infections.

Adobe pushes out critical Flash update – the second zero-day hole of the month
Adobe has just updated its Flash product for the second time this month, pushing out an emergency patch for an attack that has been seen in the wild.