Please tell me that this is not happening or at least how I can stop it forever. During the last few days I had pop up adds while working on Gmail . While typing . While reading. While thinking. And because they pop up while I'm doing something important I don't take the time to notice from whom the ads are coming.

I`m on W10

 

Sent from my Pixel using Thailand Forum - Thaivisa mobile app

 

 

Don't use the browser mode of gmail - set up an email program like Thunderbird which is put out by the same people as Firefox.  Use imap mode and when you open it it does the log in checks mail in all setup accounts - you can have numbers of accounts in the same program and they don't all have to even be gmail accounts  I use gmail program on the phone in the same mode with same multi accounts available at the same time.  Once set up it is simple to add or remove accounts and you can have all email accounts on all devices working seamlessly. 

RKASA thank you that is helpful. But I want to first try as a source of the problem without changing systems .
I just caught this with a screenshot.
No hint where it came from not how to block new ones

Sent from my Pixel using Thailand Forum - Thaivisa mobile app

Image didn't upload . Tried again upload does not work ! Neither as attachment nor as direct upload

Sent from my Pixel using Thailand Forum - Thaivisa mobile app

I hate to give up. Seems that screenshots are not uploadable

Sent from my Pixel using Thailand Forum - Thaivisa mobile app

Have you seriously never heard of Adblockers OP? Just install Ublock and problem solved.    

  Yes I have ad block as well and I am on Firefox look it this

so hat is happening? I can't send a screen shot on Thai visa

Uninstall Adblock Plus and install Ublock instead. Adblock Plus accepts money from companies to still show advertisements. They call it whitelist bc they think some  adverts are acceptable for users (and of course they wanna make some money).

Popups on Gmail?  Never seen that before. 

I run ABP, UBlock and Ghostery, all indicate 0 ads blocked on my https:// Gmail inbox page. 

I've been watching.
I don't get anything in my inbox!
Right now I've been composing lengthy email on Gmail . within two or three minutes three different advertisements blocked the whole screen. only visible for a few seconds . Making a screenshot is only possible Using the power button of the phone.
No clue is given how to Stop them.
They can come only from Google.

Interesting is also that the screenshots can neither attached nor uploaded to TV

Sent from my Pixel using Thailand Forum - Thaivisa mobile app

Download and run Malewarebytes.

14 hours ago, deux said:

Download and run Malewarebytes.

 Instructions complied with

 

14 hours ago, deux said:

Download and run Malewarebytes.

!  Complete scans of everything done. = NO MALWARE Found. Green!

 

And to clarify a bit more= The ads pop up over any other application. No offender I  could see or identified. 

Comment withdrawn.