Unwanted web pages that appear automatically while you are attempting to browse something else are called

The answer to this question is Pop up ads. Pop up advertisements are a form of advertisement in the internet or world wide web. Pop up advertisements are usually in a window type form where advertisements in the internet open. Pop-up ads are used by some advertisers to encourage internet users to encourage people to sign up to their newsletters or email subscriptions. 

assuming you are in the home page.

1) go to the upper right hand corner

2) click on your "profile picture"

3) go down to "edit profile"

4) it should be titled as "edit your profile", click on "profile picture"

5) choose a file

6) press "change"

you're profile picture is updated

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answer///radio frequency interference (rfi);