How to remove “This computer is BLOCKED” pop-up [Virus removal guide]

What is This computer is BLOCKED pop-up? The “This computer is BLOCKED” pop-up alert is a misleading advertising that created in order to trick you into calling the fake support service. Computer security experts has determined that users are rerouted to “This computer is BLOCKED” alerts by a variety of PUPs from the adware (also known as ‘ad-supported’ software) family. The unwanted applications usually gets installed alongside free programs, codecs and shareware. Aside from causing redirections, the ad supported software also can open a large count of pop-up advertisements, slow down the personal computer and continually collect a wide variety of your personal information.

What is more, the adware that shows misleading “This computer is BLOCKED” pop-up alert on your system may display ads depend on a web page that you are visiting. That is, it is clear that this adware, without your permission, steals privacy data such as: your ip address, what is a web site you are viewing now, what you are looking for on the Web, which links you are clicking, and much, much more.

Even worse, the adware may monetize its functionality by collecting personal information from your browsing sessions. This personal info, afterwards, can be easily sold to third parties. This puts your confidential data at a security risk.

The malicious apps from the ‘ad supported’ software family usually infects only the Mozilla Firefox, Google Chrome, Microsoft Edge and IE. However, possible situations, when any other internet browsers will be affected too. The adware may alter the Target property of a web browser’s shortcut, so every time you launch the internet browser, instead of your home page, you will see the intrusive “This computer is BLOCKED” alert.

If you realized any of the symptoms mentioned above, we suggest you to perform tutorial below to delete the ‘ad supported’ software and remove “This computer is BLOCKED” pop-up warnings from your browser.

Remove “This computer is BLOCKED” pop-up warnings (removal tutorial)

We recommend opting for automatic “This computer is BLOCKED” fake alerts removal in order to get rid of all ‘ad supported’ software related entries easily. This solution requires scanning the PC with reputable antimalware, e.g. Zemana Anti Malware (ZAM), MalwareBytes or Hitman Pro. However, if you prefer manual removal steps, you can use the tutorial below in this post. Certain of the steps will require you to restart your personal computer or close this web page. So, read this guide carefully, then bookmark or print it for later reference.

To remove “This computer is BLOCKED”, use the following steps:

1. How to get rid of “This computer is BLOCKED” pop up warnings without any software
   • Delete suspicious software by using MS Windows Control Panel
   • Remove “This computer is BLOCKED” pop-up from IE
   • Remove “This computer is BLOCKED” fake alerts from Google Chrome
   • Delete “This computer is BLOCKED” from Mozilla Firefox by resetting web-browser settings
2. Scan your system and delete “This computer is BLOCKED” pop-up with free tools
   • How to remove “This computer is BLOCKED” pop up with Zemana Anti-malware
   • Use HitmanPro to get rid of “This computer is BLOCKED” popup scam from browser
   • Remove “This computer is BLOCKED” fake alerts with Malwarebytes
3. Block “This computer is BLOCKED” pop-up scam and other annoying pages
4. How did you get infected with “This computer is BLOCKED” pop up
5. To sum up

How to get rid of “This computer is BLOCKED” pop up warnings without any software

If you perform exactly the few simple steps below you should be able to delete the “This computer is BLOCKED” pop-up warnings from the IE, Chrome, MS Edge and Mozilla Firefox web-browsers.

Delete suspicious software by using MS Windows Control Panel

We advise that you begin the computer cleaning procedure by checking the list of installed applications and uninstall all unknown or dubious software. This is a very important step, as mentioned above, very often the malicious software such as ‘ad supported’ software and browser hijackers may be bundled with free software. Uninstall the unwanted software can get rid of the unwanted ads or internet browser redirect.

It will show the Windows Control Panel as displayed in the following example.

Next, click “Uninstall a program”
It will show a list of all software installed on your personal computer. Scroll through the all list, and uninstall any questionable and unknown applications. To quickly find the latest installed software, we recommend sort apps by date in the Control panel.

Remove “This computer is BLOCKED” pop-up from IE

If you find that Microsoft Internet Explorer web browser settings had been modified by ad-supported software that causes multiple misleading “This computer is BLOCKED” alerts and pop-ups, then you may return your settings, via the reset web-browser procedure.

First, launch the Internet Explorer, then click ‘gear’ icon . It will show the Tools drop-down menu on the right part of the web-browser, then press the “Internet Options” like below.

In the “Internet Options” screen, select the “Advanced” tab, then press the “Reset” button. The Internet Explorer will open the “Reset Internet Explorer settings” dialog box. Further, click the “Delete personal settings” check box to select it. Next, click the “Reset” button as displayed in the following example.

Once the process is finished, click “Close” button. Close the Internet Explorer and restart your personal computer for the changes to take effect. This step will help you to restore your web browser’s default search engine, homepage and new tab page to default state.

Remove “This computer is BLOCKED” fake alerts from Google Chrome

If your Chrome browser is redirected to annoying “This computer is BLOCKED” page, it may be necessary to completely reset your web-browser program to its default settings.

1. First, start the Google Chrome and press the Menu icon (icon in the form of three dots).
2. It will display the Google Chrome main menu. Choose More Tools, then click Extensions.
3. You will see the list of installed extensions. If the list has the extension labeled with “Installed by enterprise policy” or “Installed by your administrator”, then complete the following guidance: Remove Chrome extensions installed by enterprise policy.
4. Now open the Chrome menu once again, press the “Settings” menu.
5. Next, click “Advanced” link, that located at the bottom of the Settings page.
6. On the bottom of the “Advanced settings” page, press the “Reset settings to their original defaults” button.
7. The Chrome will open the reset settings dialog box as shown on the screen above.
8. Confirm the browser’s reset by clicking on the “Reset” button.
9. To learn more, read the blog post How to reset Chrome settings to default.

Delete “This computer is BLOCKED” from Mozilla Firefox by resetting web-browser settings

If your Mozilla Firefox internet browser is redirected to “This computer is BLOCKED” without your permission or an unknown search engine displays results for your search, then it may be time to perform the web-browser reset. However, your themes, bookmarks, history, passwords, and web form auto-fill information will not be deleted.

First, launch the Mozilla Firefox. Next, click the button in the form of three horizontal stripes (). It will show the drop-down menu. Next, click the Help button ().

In the Help menu press the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button as shown in the figure below.

Confirm your action, press the “Refresh Firefox”.

Scan your system and delete “This computer is BLOCKED” pop-up with free tools

The adware may hide its components which are difficult for you to find out and remove completely. This may lead to the fact that after some time, the adware that created to display misleading “This computer is BLOCKED” pop-up scam within your browser once again infect your PC. Moreover, We want to note that it is not always safe to remove adware manually, if you don’t have much experience in setting up and configuring the Windows operating system. The best solution to detect and delete ‘ad supported’ software is to run free malware removal apps.

How to remove “This computer is BLOCKED” pop up with Zemana Anti-malware

You can get rid of “This computer is BLOCKED” fake alerts automatically with a help of Zemana Anti-malware. We recommend this malware removal tool because it can easily remove hijackers, PUPs, ‘ad supported’ software that redirects your web-browser to “This computer is BLOCKED” website with all their components such as folders, files and registry entries.

Visit the page linked below to download the latest version of Zemana for MS Windows. Save it directly to your MS Windows Desktop.

Once the downloading process is complete, close all windows on your system. Further, run the set up file named Zemana.AntiMalware.Setup. If the “User Account Control” prompt pops up as displayed below, press the “Yes” button.

It will show the “Setup wizard” that will assist you install Zemana Free on the computer. Follow the prompts and do not make any changes to default settings.

Once installation is finished successfully, Zemana will automatically run and you can see its main window as on the image below.

Next, click the “Scan” button to begin scanning your machine for the adware which causes misleading “This computer is BLOCKED” pop up scam on your web-browser. A system scan can take anywhere from 5 to 30 minutes, depending on your computer.

As the scanning ends, Zemana AntiMalware will open you the results. All found items will be marked. You can remove them all by simply press “Next” button.

The Zemana will delete adware that causes multiple misleading “This computer is BLOCKED” alerts and pop ups and add items to the Quarantine. Once the clean-up is finished, you may be prompted to reboot your system.

Use HitmanPro to get rid of “This computer is BLOCKED” popup scam from browser

If Zemana Anti-Malware (ZAM) cannot remove this adware, then we advises to run the Hitman Pro. Hitman Pro is a free removal utility for hijackers, PUPs, toolbars and ad-supported software that made to show misleading “This computer is BLOCKED” popup within your web browser. It is specially developed to work as a second scanner for your PC.

Please go to the following link to download HitmanPro. Save it on your Desktop.

When the download is done, open the folder in which you saved it and double-click the Hitman Pro icon. It will start the HitmanPro utility. If the User Account Control dialog box will ask you want to launch the application, click Yes button to continue.

Next, click “Next” . HitmanPro utility will start scanning the whole PC system to find out ad-supported software that causes multiple misleading “This computer is BLOCKED” alerts and pop ups. A system scan can take anywhere from 5 to 30 minutes, depending on your computer. When a threat is found, the number of the security threats will change accordingly.

Once HitmanPro has finished scanning, Hitman Pro will open a screen which contains a list of malicious software that has been detected as displayed in the figure below.

All detected items will be marked. You can remove them all by simply click “Next” button. It will display a prompt, click the “Activate free license” button. The Hitman Pro will remove ad supported software which designed to show misleading “This computer is BLOCKED” pop-up warnings within your web-browser and move items to the program’s quarantine. Once that process is complete, the utility may ask you to reboot your computer.

Remove “This computer is BLOCKED” fake alerts with Malwarebytes

We suggest using the Malwarebytes Free. You may download and install Malwarebytes to find out ‘ad supported’ software and thereby remove “This computer is BLOCKED” pop up from your browsers. When installed and updated, the free malicious software remover will automatically check and detect all threats exist on the PC system.

1. Installing the MalwareBytes Free is simple. First you will need to download MalwareBytes Free from the link below. Save it to your Desktop.
   
   

   Malwarebytes Anti-malware
   326462 downloads
   Author: Malwarebytes
   Category: Security tools
   Update: April 15, 2020
   
2. When the downloading process is complete, close all apps and windows on your PC system. Open a file location. Double-click on the icon that’s named mb3-setup.
3. Further, click Next button and follow the prompts.
4. Once installation is done, click the “Scan Now” button for scanning your PC for the adware that causes multiple misleading “This computer is BLOCKED” alerts and pop-ups. A scan can take anywhere from 10 to 30 minutes, depending on the count of files on your machine and the speed of your personal computer.
5. When MalwareBytes AntiMalware (MBAM) has completed scanning, you can check all items found on your system. Review the report and then click “Quarantine Selected”. Once the clean-up is finished, you can be prompted to restart your computer.

The following video offers a steps on how to remove hijacker infections, adware and other malware with MalwareBytes Anti Malware.

Block “This computer is BLOCKED” pop-up scam and other annoying pages

It is important to use ad-blocker software such as AdGuard to protect your PC from malicious web-pages. Most security experts says that it is okay to stop advertisements. You should do so just to stay safe! And, of course, the AdGuard can to block “This computer is BLOCKED” and other intrusive websites.

Installing the AdGuard is simple. First you’ll need to download AdGuard from the following link.

After the downloading process is complete, double-click the downloaded file to start it. The “Setup Wizard” window will show up on the computer screen as on the image below.

Follow the prompts. AdGuard will then be installed and an icon will be placed on your desktop. A window will show up asking you to confirm that you want to see a quick instructions as shown on the screen below.

Press “Skip” button to close the window and use the default settings, or click “Get Started” to see an quick tutorial which will allow you get to know AdGuard better.

Each time, when you start your machine, AdGuard will launch automatically and block pop-ups, “This computer is BLOCKED” redirect, as well as other malicious or misleading websites. For an overview of all the features of the application, or to change its settings you can simply double-click on the AdGuard icon, that is located on your desktop.

How did you get infected with “This computer is BLOCKED” pop up

Many adware are included in the free software setup file. Most often, a user have a chance to disable all included “offers”, but some installers are developed to confuse the average users, in order to trick them into installing the ‘ad supported’ software that causes web-browsers to show misleading “This computer is BLOCKED” pop up scam. Anyway, easier to prevent the adware rather than clean up your computer after one. So, keep the web browser updated (turn on automatic updates), run a good antivirus app, double check a free software before you run it (do a google search, scan a downloaded file with VirusTotal), avoid harmful and unknown web pages.

To sum up

Now your PC should be free of the ad-supported software which created to display misleading “This computer is BLOCKED” pop-up within your web browser. We suggest that you keep Zemana AntiMalware (ZAM) (to periodically scan your PC system for new ‘ad supported’ softwares and other malicious software) and AdGuard (to help you stop intrusive pop up ads and harmful websites). Moreover, to prevent any adware, please stay clear of unknown and third party software, make sure that your antivirus program, turn on the option to find out PUPs.

If you need more help with “This computer is BLOCKED” pop-up related issues, go to here.