Also be aware that some fake pop ups claim you have a virus & it needs to cleaned immediately (by clicking on the button). Some of these look almost exactly like a legitimate windows Defender screen. They go the great lengths to make them look convincing/genuine.
Since it appears you may have adware, suggest you run AdwCleaner, which is good at ferreting out that kind of malware.
How to View Security Providers in Windows Security app in Windows 10
The Windows Security app is a client interface on Windows 10 that makes it is easier for you to view and control the security protections you choose and better understand the...
Hide or Show Device Security in Windows Security in Windows 10
Windows 10 version 1703 and later provides the latest antivirus protection with Windows Security, which contains Windows Defender Antivirus. When you start up Windows 10 for the...
Could someone explain the purpose of all the accounts listed under the Advanced button of the User, Group or Built-In Security Principal search-box that appears when you click the Change link under Advanced Security Settings (Properties > Security >...
After accidentally updating to Windows 10 (If you want to know, I was trying to set it up to install a month or so later, but accidentally clicked the "install now" option. It must have been downloading in the background as, half an hour later, my...