Its very embarrassing and troublesome when some not-so-decent and unwanted ads pop-up from no where when you are connected to Internet. It is a very common problem in many computers.
Let us see Why this happens.
It happens generally because some adware programs gets installed on your system while surfing internet.
What is an Adware?
Adware or advertising-supported software is any software package that automatically shows, plays, or downloads advertising material to computer after the software is installed on it or while the software is being used.
Lets see how an adware can be removed.
How to detect and remove adware?
There are certain free utilities available which can scan your computer and detect any adware installed on your computer. Once you run the scan, it displays a list of detected adware like content which you can select and delete.
You can download threatfire from this link.
You can manually run the adware scan with these software and fix the trouble of unwanted popup opening easily. These software’s are easy to use, do give it a try, it will help.