Windows Support. Call TollFree: +1 -855-441-4421

What is Windows Support. Call TollFree: +1 -855-441-4421?

If you find a suspicious and, at the same time, scary blue screen on your desktop claiming that you have to enter your Windows Product Key, a malware infection called Windows Support. Call TollFree: +1 -855-441-4421 may have slithered onto your computer. This fake error message has only one purpose and that is to trick you into paying money for an unnecessary and probably useless technical service or software. According to our malware researchers at, this infection is very similar to Windows Security Alert! 1-888-220-3607, which is also a technical support scam. The idea behind such a scam is that you are made feel hopeless and helpless by a fake error message and you will be likely to call the given toll free telephone number, which, by the way, may not be free at all. If you want to be able to use your computer and use it safely, we recommend that you delete Windows Support. Call TollFree: +1 -855-441-4421 ASAP. For the details, please continue reading our article.testtest

Where does Windows Support. Call TollFree: +1 -855-441-4421 come from?

Based on user reports and our research, this infection is mainly spread via software bundling. This means that you can infect your computer with this fake error message program if you install a malicious bundle. Most computer users actually infect their system this way without even realizing it. The reason behind it is simple. A lot of people search the web for free files (music and video) or applications to download. This is how they can end up on unfamiliar malicious websites that pretend to be file-sharing pages having your target app one click away. However, these pages host a lot of annoying and dangerous third-party advertisements as well that may look like Download or Next-page buttons. Clicking on such content can result in your downloading an infected software package.

What you may not know is that there is usually still a chance to opt out of installing unwanted components. All you need to do is read the steps of the installation wizard carefully so that you can untick the designated checkboxes or cancel the whole process if needed. This is what a lot of unsuspecting users fail to do and infect their machines instead. And, this is how this malware infection could have entered your computer, too. That is why we suggest that you scan your system with a trustworthy online malware scanner after you remove Windows Support. Call TollFree: +1 -855-441-4421. Leaving any threats on your PC could cause further security-related issues.

How does Windows Support. Call TollFree: +1 -855-441-4421 work?

First of all this infection modifies your Windows Registry database to make sure that it auto-starts with Windows. Another change it makes in the registry is that it replaces the main system process, explorer.exe in the Windows Shell configuration with its own executable. Therefore, you will not be able to use or run any programs easily after it is activated. Once this malware finishes its initiation, it forces a system restart or a logout. When you login again, of course, you will see a scary-looking blue screen with the fake error message saying: “ERROR_LOCAL-USER_PRODUCT KEY MISSING”. This malware infection works very similarly to other well-known support scams. It tries to scare you with its fake error screen so that you would rush to dial the given phone number: +1 -855-441-4421. This number is claimed to be toll free but we would not rely on this information. It is possible that you will see a big number in your phone bill next month if you try to call this number.

On this fake screen you are provided with an input field to enter your Windows Product Key. Interestingly enough, there are some easy-access links offered at the top to sites, such as TeamViewer, Supremo, and Logmein as well as a CMD button that opens the Command Prompt window. Do not panic if you see this window, though, because it is all fake and only wants you to call this number so that you could be scammed to purchase a seemingly useful service or product to fix your system issue. But there is no issue at all apart from this annoying malware infection and the other threats it may have brought along. We recommend that you do not hesitate to remove Windows Support. Call TollFree: +1 -855-441-4421 since otherwise you cannot use your computer securely again.

How do I delete Windows Support. Call TollFree: +1 -855-441-4421?

According to our researchers, first you need to end the malicious process that runs in the background under the name of "WindowsActivation (32BIT).” Only then can you effectively clean this infection from your PC. We have prepared a step-by-step guide for you to assist you with the necessary steps. Please do not forget that you could have avoided this malware attack if you had not clicked on suspicious third-party content on a questionable website. But even if you try to stay away such sites and clicking on ads, there is always a chance that a malware infection finds a way to enter your computer. That is why we suggest that you invest in a reputable anti-malware application that could safeguard your PC from all possible malware attacks.

How to remove Windows Support. Call TollFree: +1 -855-441-4421 from Windows

  1. Press the CMD button on the fake error screen.
  2. Type in taskmgr and press the Enter key.
  3. Find the process named "WindowsActivation (32BIT)” and press End task.
  4. Exit the Task Manager.
  5. Tap Win+R and enter regedit. Press OK.
  6. Replace the value data “C:\Program Files (x86)\[USER’S PC NAME]\error.exe” for HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell (64-bit), HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell, and HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell registry value names with “explorer.exe”
  7. Delete the following registry keys if you find them: HKLM\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\WindowsActivationError (64-bit)
    HKLM\SOFTWARE\Wow6432Node\WindowsActivationError (64-bit)
  8. Exit the Registry Editor.
  9. Tap Win+E to open File Explorer.
  10. Delete the following folders if you find them:
    C:\Program Files (x86)\WindowsActivationError (64-bit)
    C:\Program Files\WindowsActivationError
  11. Empty the Recycle Bin and reboot your PC.
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