Danger level 7

Microsoft System Security Alert fake alert

If you have discovered Microsoft System Security Alert fake alert on your screen, the first thing you should know is that Microsoft Corporation has nothing to do with it, and your Windows OS is fine. Then, you should go to check your computer because the chances are high that there is some kind of untrustworthy program active on it if Microsoft System Security Alert fake alert has been displayed on your screen out of the blue, or you have been redirected to the domain with the fake alert automatically when surfing the Internet. Some users manage to get rid of tech-support scams by closing their browsers/browsers’ tabs with these fake notifications, but the majority of them notice that they are capable of reviving. That is, they find them on their screens again after some time. If you cannot get rid of Microsoft System Security Alert fake alert easily too, you will need to find and remove malicious software from your computer. If you cannot close your web browser and thus cannot go to find and erase existing malicious software, you should open Task Manger and kill the process that belongs to your browser (e.g. chrome.exe, firefox.exe, and iexplore.exe) – this should help you to close the fake alert.

Microsoft System Security Alert fake alert will try to convince you that a website opened a moment ago could have installed malicious software on your computer without your knowledge. One version of Microsoft System Security Alert fake alert says that “Windows and Chrome has been locked” and “TCP Connection was blocked by Your Windows Security System,” whereas the other one claims that “your computer access will be disabled to prevent further damage to our network.” No matter which version of this fake notification you encounter, do not forget that it is completely fake and, because of this, there is no point in going to fix the security-related problem it tells you about. This tech-support scam is used to scare users into contacting “technicians” via the provided telephone number, so it might tell you anything to push you into making a call. The fake warning might contain +1-866-217-8835, +1-877-372-6054, or a completely different telephone number, but you should not dial it no matter what. If you ignore our piece of advice and make a call, scammers will pick up the phone and will try to convince you that the problem is very serious and needs to be fixed as soon as possible. Of course, they will tell you that they can do that for you if you pay them. Also, they might try to gain access to your computer so that they could upload malicious software. Last but not least, if you provide them such personal details as your name, email, telephone number, etc., they might use all those details for malicious purposes or sell them to third parties.

We do not know whether you see Microsoft System Security Alert fake alert because you have landed on a malicious domain, or there is malware, e.g. an ad-supported program (adware) installed on your computer. You will have to find out this yourself. It should not be very hard to do that. If Microsoft System Security Alert fake alert reappears on your screen after you close it even if you do not visit any suspicious pages, it is very likely that an adware program has found a way to infiltrate your computer unnoticed. It is not hard for them at all because they often travel in software bundles together with free programs. There are plenty of untrustworthy programs that are spread bundled, so if you keep your system unprotected, another malicious program might show up on your PC and cause problems that are more serious than the appearance of the fake alert.

If you tried closing the browser you use to surf the Internet, but Microsoft System Security Alert fake alert reappeared, you need to delete untrustworthy software from your computer. As mentioned previously, you need to find an adware program on your computer. Check Control Panel first since some adware programs have uninstallers and delete suspicious software. Then, reset your browsers to default settings. If you still see fake alerts on your screen, you will, most likely, get rid of Microsoft System Security Alert fake alert only by scanning your system with a reputable antimalware scanner.

Delete Microsoft System Security Alert fake alert

Windows XP

  1. Click Start.
  2. Click Control Panel.
  3. Click Add or Remove Programs.
  4. Select untrustworthy software.
  5. Click Remove.

Windows 7/Vista/8/8.1/10

  1. Tap Win+R.
  2. Insert Control Panel and click OK.
  3. Click Uninstall a program.
  4. Select the untrustworthy application.
  5. Click Uninstall.

Internet Explorer

  1. Open Internet Explorer.
  2. Press Alt on your keyboard and click Tools at the top.
  3. Click Internet Options.
  4. Click Advanced.
  5. Click Reset.
  6. Mark the box next to Delete personal settings.
  7. Click Reset.

Mozilla Firefox

  1. Launch Mozilla Firefox.
  2. Press Alt+H.
  3. Click Troubleshooting information.
  4. Click Refresh Firefox under Give Firefox a tune up.
  5. Confirm the browser reset.

Google Chrome

  1. Start Google Chrome and go to its menu (tap Alt+F).
  2. Click Settings.
  3. Click Advanced.
  4. Click Reset.
  5. If prompted, click Reset again.
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