I occasionally get tricked, so don't feel bad if you get suckered occasionally.
This is what I use: Security: Windows Defender, MalwareBytes, CCleaner, Defraggler
Windows Defender came with Windows 10. Perhaps you already have it. It works so well, I cancelled my Norton 360 subscription.
If you wish to investigate "free" Windows Defender:> https://docs.microsoft.com/en-us/window ... rotection/
Here is the Windows Defender log from the last time I clicked on an advertisement like the one you are talking about.
