Constant pop ups?

[Aidan's Mummy]

Hi I wondered if you could help e with a problem I have been having with pop ups. Every time I load a page pop ups come up. It is so distracting an frustrating and I wondered if there was anything I could do to stop it? Thanks in advance x

 

[Wobbles]

Could you provide the follwing:
Device
Browser
Company/product of ad
Screenshot