This is a simple trick to block the unwanted ads ,Here in detail : when you open a website like ziddu.com download page ..you will easily notice that there are several ads automatically open in new browser window..To block this unwanted ads simply read this tutorial:
Method-1 : Open tools >Quick preference (F 12) > and click Block unwanted pop-ups
Method-2: Go to preference >Advanced and click mark on show notification
Method -3: Open General > and select unwanted block pop-ups
