Windows Defender marked CCleaner as bad

Hi, Windows Defender on Windows 10 showed me this alert today:

IpYuX3c.png

Is this a false positive?

Thanks,

Steve

Please have a read here

https://forum.piriform.com/index.php?showtopic=48869

Also make sure you are running the latest Ccleaner 5.35 from here

https://www.piriform.com/ccleaner/builds