Sounds a bit scary.
Google Chrome, the web browser, is also now an anti-virus software for your Windows computer. The search giant is rolling out a new Chrome Cleanup tool for Google Chrome in Windows which will automatically scan your computer for potentially harmful software.
Google Chrome will automatically scan your computer for harmful software every day, and it will notify you when harmful software is found on your computer.
https://mspoweruser.com/google-chrome-now-built-anti-virus-windows/
Blog source
https://www.blog.google/products/chrome/cleaner-safer-web-chrome-cleanup/
I wonder how that may clash with an installed resident av that could itself be running a scan at the same time. I also wonder if there will be a choice to enable / disable it. And too bad they didn't come up with their own antivirus/anti-malware engine on there own, although ESET is very good.
Google Chrome will automatically scan your computer for harmful software every day,
And while it's at it see what else it can 'gather' about the files on your system so as to target advertising?
There are plenty of AVs aleady out there, and Windows Defender now runs on all Win10 machines if you don't install anything else.
There is no point to this nonsense for the user, but I can see it being very useful for Google.