srv1.srv-statistics.com says (using Firefox browser)

[Pghpooh]

I keep getting this popup constantly when using Firefox
The complete text is

xsrv1.srv-statistics.com says.
It is recommended that you update Flash to the latest version to view this page. Please update to continue.

I have the latest version of Flash, etc.

How do I get rid of this problem?????

 

[lxskllr]

Try running Malwarebytes.

 

[Pghpooh]

Try running Malwarebytes.

Thanks for the info.
I haven't tried it yet. I found a problem and corrected it. In Firefox there was a extension software that was running. I deleted it and so far Firefox is ok. I will download Malwarebytes later on and use it to clean out the desktop.
Thanks