How do I get rid of strange sites that appear to be on the Internet?

There are strange sites that appear when I try to use the Internet.

How do I get rid of this?

301 2016-04-15 Lady

It seems that the advertisement program was installed while using the Internet or installing the program.
Go to Control Panel\All Control Panel Items\Programs and Features
You can erase the advertising programs that you didn't install yourself.

Gentleman 9 years ago 0

A. 2

Control Panel -> All Control Panel Items -> Programs and Features
in
Sort sorted programs by installation date
If you have an unfamiliar program installed after the last one, you can erase it.

Gentleman 9 years ago 0

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