Critical System Failure 855 518-8366

What is Critical System Failure 855 518-8366?

Critical System Failure 855 518-8366 is the so-called TechSupport scam. It has been created by cyber criminals to deceive users and scare them into dialing the provided number. In other words, the Critical System Failure 855 518-8366 notification that covers Desktops is completely fake, so users should not even try to contact the so-called Technical Support. According to security experts working at anti-spyware-101.com, users should go to delete the malicious application responsible for the presence of the Critical System Failure 855 518-8366 notification instead. Of course, theoretically, there might be no need to delete malware from the system since Critical System Failure 855 518-8366 might be visible on your screen only just because you have been redirected to a bad website. In this case, the fake window will not appear on the screen ever again after closing that corrupted web page and making sure that the last browsing session is not restored. Unfortunately, the majority of people who find that the Critical System Failure 855 518-8366 alert has covered their Desktops have malicious software inside their computers. It might be true that you are one of them. Take action immediately after reading this entire article.

What does Critical System Failure 855 518-8366 do?

Usually, the fake Critical System Failure 855 518-8366 window is opened in full-screen when malicious software successfully infiltrates the computer, creates the entry in the Run registry key, and drops two files on the infected system. If you already see it on top of your Desktop, do not pay much attention to it even though it tries to convince you that your Windows OS security is compromised. If you ignore our advice and still dial (855) 518-8366, you will contact cyber criminals instead of a helpful technical support. They might try to sell you an expensive tool for fixing, as they say, an existing system issue, or they might offer to remove the Critical System Failure 855 518-8366 alert from your screen for you. Of course, this service will not be free either. Finally, even though the provided telephone number should be toll-free, in reality, you might receive a huge telephone bill after dialing it. Therefore, you should focus on the removal of malware only.

As has already been mentioned in the first paragraph, there is a huge possibility that malicious software has sneaked onto your computer and is now working on your PC without your knowledge. This must be a serious malicious application because, as researchers working at anti-spyware-101.com have revealed, it kills the Task Manager immediately after it enters the system so that it would be impossible to remove it easily. On top of that, it places two executable files on the computer: Card.exe and Winerr.exe. Last but not least, research has shown that it creates its own Value in HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run so that it could open a fake borderless window again if the computer is rebooted. Yes, it is evident that the system restart will not help you to remove the fake Critical System Failure 855 518-8366 alert if malicious software is the one responsible for its presence. The only way to make the fake notification gone is to get rid of that infection.

Where does Critical System Failure 855 518-8366 come from?

Some people who discover the fake Critical System Failure 855 518-8366 alert on their screens see it because they are taken to bad web pages; however, the majority of them come across the fake window because they have malicious software inside their computers. It is unclear which methods it uses to sneak onto computers, but it is very likely that it is distributed like other threats. For example, you could have downloaded an untrustworthy program pretending to be a beneficial one yourself from the web, or malicious software could have been downloaded by threats already existing on your computer. It is not always easy to notice that malware is about to enter the system and stop it. Therefore, every user should have a reputable antimalware tool installed on the system.

How do I delete Critical System Failure 855 518-8366?

Since the malicious software responsible for the presence of the Critical System Failure 855 518-8366 alert kills the Task Manager, it is a must to boot in Safe Mode with Networking first. Then, you could download a reputable antimalware tool, such as SpyHunter, to detect and erase that infection automatically, or you could remove it yourself manually. The latter method is definitely not the easiest one, so users who decide to employ it should consult the manual removal guide available right below this report.

Remove Critical System Failure 855 518-8366

Start your PC in Safe Mode with Networking

Windows 7/Vista/XP

1. Reboot your PC and then start tapping the F8 button on your keyboard immediately.
2. Using arrow keys select Safe Mode with Networking from the menu.
3. Tap Enter.

Windows 8/8.1/10

1. Reboot your computer.
2. Hold the Shift key on your keyboard while selecting Power.
3. Click Restart.
4. At the Choose an option screen, click Troubleshoot.
5. Click Advanced options.
6. Click Startup settings.
7. Click Restart.
8. Press F5 to enable Safe Mode with Networking.

Remove malicious software

1. Tap Win+E.
2. Type %TEMP% in the URL bar and tap Enter.
3. Locate and delete the Card.exe file.
4. Go to %APPDATA%.
5. Remove Winerr.exe.
6. Close the Windows Explorer and tap Win+R.
7. Type regedit.exe in the box and click OK.
8. Move to HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run.
9. Right-click on the Value Windows Authorization and then click Delete.
10. Reboot your PC in a normal mode.

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