Windows Security Essentials Have Detected Issue Scam false warnings are appearing on your screen because you either got rerouted from a questionable site, or an advertising-supported program is installed. The main aim of these fake alerts is to trick users into dialing supposed tech-support numbers where scammers would try to get remote access to a device or sell useless tools or services. If an advertising-supported application is behind these adverts, they will be interrupting your browsing constantly. An ad-supported application can usually be installed accidentally, during free applications installation. No need to worry about the adverts somehow harming your operating system, and as long as you do not call the supposed tech support, you will be fine. If you did call them, you would have to deal with competent con artists who would pretend to fix your system, and then ask for an unreasonable amount of money. You should never call the numbers in these questionable warnings, and you should be cautious about who you grant remote access to your machine. You can be calm that this infection indicated in the warning it's not real, and that your device is safe. The advertisements will only stop popping when you erase Windows Security Essentials Have Detected Issue Scam, so the sooner you do that, the better.
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