I'm not sure what this is but I have been unable to get it cleared from my laptop.
I was using Firefox browsing the net and this popped up on a tab and I was unable to remove it.
The sign-in window allows you to delete it but it pops back right away.
This continued for quite a while but I was finally able to get it deleted using that same process.
I've attached a screen capture.
I have the free version of Avast on the system and once this showed I downloaded a trial version of Malwarebytes..
Malwarebytes did clear out some items with it's 1st scan but found nothing else after.
Neither one was able to find it.
I searched through the installed programs to make sure that it hadn't snuck in and I missed it somehow.
Nothing appeared there either.
So as I mentioned above, it finally was deleted and appeared to go away.
I kept Malwarebytes for the 30 day trial period and it continued to come back with clear scans after the 1st scan.
Well it has popped up once again.
I also was able to finally get it deleted after fighting with it for a few hours.
When it happens I'm still able to browse the net but that tab will not nor am I able to access any of th other tabs that are attached to that same window.
Fortunately I am one that usually has multiple pages open at any given time.
So now I'm hoping that someone can help me figure out how to dig this this out and discard it from my system.