Pale Moon "Human Verification" check pop-up
 

Is anybody else being bothered by a pop-up that purports to come from Mozilla Firefox?

It says something about checking that you are a human, not a robot and then apologizes for taking up your time - not that it does, I just click and close it.

Have you been sleeping ubnder a rock?
Its called Google Captcha... Occurs in any browser

do you mean it's happening when you launch the browser, randomly during surfing or when you try to download from certain sites or log in to some sites?

yes

Nope
 

I'm quite familiar ( as we all are ) with the Captcha system which, incidentally, Google removed from its own listings back in March 2017. You might have missed the announcement... and misunderstood my usage of the word "purports" in relation to Mozilla Firefox.

https://www.google.co.uk/url?sa=t&rc...m5JEBXlmHmAmmA


I'm referring to a brief pop-up that appears ( more often than not after clicking on a thumbnail to view an image on an imagehost such as imagebam ) and then closes down without any input from the keyboard.

I'm suspicious that it might be installing something from the malware/adware catalogue in the background while the user's attention is diverted.

The it is an ad from imagebam
I dont see it because i use ublock adblocker