lots of threat Secured messages

I’m getting lots of threat Secured messages. Nothing has been found by scanning though and I’ve also used malwarebytes.

Please advise what I should try next.,

I’m also getting a message when searching on google saying unusual traffic has been detected from my IP and I’m having to do a captcha all the time.

https://ibb.co/PZvHLjD
https://ibb.co/w62DKGs
https://ibb.co/WnK1dVy
https://ibb.co/f0nzSqR
https://ibb.co/qFWF9fV
https://ibb.co/VLzNxTC
https://ibb.co/zf86Qvf
https://ibb.co/xfZhVgT
https://ibb.co/xGr8dP8
https://ibb.co/QbC5gb0
https://ibb.co/7C86KwH
https://ibb.co/pLf33V4
https://ibb.co/SJnm6dM
https://ibb.co/MRBFd4Z

Does it only happen in Chrome ?

Tried to empty browser surf history?

Have you tried to clear browser crap with Malwarebytes Adwcleaner https://www.malwarebytes.com/adwcleaner/

Thanks - hadn’t heard of the adwCleaner.
Still no luck I’m afraid.

Yes, just chrome