Click on screenshot to zoom
Danger level 7
Common infection symptoms:
  • Slow Computer
  • Annoying Pop-up's
  • Slow internet connection


+1-800-236-1513 is a new fake alert that can show up suddenly in your browser if you get redirected or your system has been infected with malware threats recently. You need to know that this fake alert tries to push you into the corner and make you believe that your Windows Operating System has been blocked due to an alleged “security breach,” which, of course, can only be solved if you call the provided telephone number. This is what the schemers behind this scam want you to believe. We have seen lots of similar threats in the past year, including “Microsoft Security essentials +1-888-496-5150,” “License has Expired +1-888-303-5121,” and “Windows Support. Call TollFree: +1 -855-441-4421.” These are all so-called technical support scams that pretend to give you Microsoft certified support to fix your made-up system errors; however, you would simply be scammed to purchase a useless and unnecessary service or software. We recommend that you learn how to remove +1-800-236-1513 fake alert as soon as possible so that the normal operation of your system can be restored.

There are mainly two ways for you to be exposed to this malicious website ( that shows you this fake alert. First, it is possible that you click on corrupt third-party content, such as advertisements, links, and modified search results, and you get redirected directly. In this case, it is possible that you can delete +1-800-236-1513 by simply closing your browser window. Second, you may have infected your computer formerly with adware programs, browser hijackers, or bad browser extensions that are capable of redirecting you to this fake alert page. In this case, you need to remove these to eliminate this threat.

This is why we emphasize that you become more cautious while browsing the web. Clicking on questionable third-party advertisements that may also be disguised and show up as something totally different, such as a button and a system alert, can result in your downloading a whole package of malicious software installers, including adware apps, browser hijackers, Trojans, fake alerts, keyloggers, and more. Clearly, such a bundle can make your system exponentially more vulnerable to cyber attacks and this fake alert will be the least of your problems. You should be aware that even if you download such a bundle of threats, you may still have a way to save the day if either you cancel the whole installation process realizing the mistake you are making or you deselect the unwanted components if you are offered such an option. It is possible that you need to choose the custom installation option in order for you to be able to make such a choice.

You can easily click on the wrong third-party content if your PC is infected with ad-supported programs, for instance. If your web browsing is often disrupted by annoying, flashy banner and pop-up ads, chances are some adware apps are hiding on your system. Another possibility for you to be introduced to such ads is to visit shady file-sharing and gaming websites. You may have noticed that such pages are full of third-party ads plus ones that you may not even realize to be ads, for example, fake download buttons and next-page, previous-page buttons. If you click on such content, you may directly be taken to this fake alert site or drop a bundle of malicious threats onto your machine. This is why it is so important that you make sure that no potentially harmful applications remain on board after you delete +1-800-236-1513.

This fake alert claims that your system has been blocked because of an alleged security breach. You are informed that your system has been infected and this is the cause of the system error. In order to sort out this “urgent issue,” you need to contact the provided telephone number, +1-800-236-1513, so that you can talk to allegedly Microsoft certified technicians. This fake alert also tells you that your browsers may have been hijacked and that your private and financial data could be in danger among other risks.

Obviously, these schemers try to scare you to the point when you would see no other possibility than calling the number. However, we strongly advise you against it because this alert is totally fake and simply wants to extort money from you. Instead of a technician you will most likely talk to a sales person who will persuade you to buy an annual service of fixing your system or even sell you some useless software. If you do not want to lose hundreds of dollars for no reason really, we advise you to remove +1-800-236-1513 right away.

In order to eliminate this fake alert, first, you need to close the browser window. We do not recommend that you use any other buttons or ways that may be offered on this malicious page. Then, you should check the installed programs list via Control Panel to find any suspicious or undesirable applications and uninstall them. Finally, we also suggest that you reset all your browsers. Please follow our instructions below if you feel ready to act manually. Since there could be several malicious programs on your system and you may not be able to detect them all manually unless you are an IT expert, we suggest that you consider using a reliable anti-malware program, such as SpyHunter.

How to remove +1-800-236-1513 from Windows

Windows XP

  1. Access the Start menu and select Control Panel.
  2. Click Add or Remove Programs.
  3. Select the suspicious application and click Remove.

Windows Vista/Windows 7

  1. Click on the Windows button in the bottom-left corner and pick Control Panel.
  2. Choose Uninstall a program.
  3. Select the suspicious application and click Uninstall.

Windows 8/Windows 8.1/Windows 10

  1. Tap Win+X and open Programs and Features.
  2. Select the suspicious application and click Uninstall.

How to remove +1-800-236-1513 from browsers

Mozilla Firefox

  1. Tap Alt+H and go to Troubleshooting Information.
  2. Press Refresh Firefox and click Refresh Firefox in the pop-up.
  3. Click Finish.

Google Chrome

  1. Tap Alt+F and navigate to Settings.
  2. At the bottom, click Show advanced settings.
  3. At the bottom, click Reset settings.
  4. Press Reset.

Internet Explorer

  1. Tap Alt+T and select Internet Options.
  2. Click on the Advanced tab and press Reset.
  3. Mark the Delete personal settings checkbox.
  4. Click Reset and press Close.
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