What is Microsoft Corporation Has Blocked Your PC Fake Alert?
Microsoft Corporation Has Blocked Your PC Fake Alert, as the name suggests, is a fake alert that spreads on browsers. Microsoft Corporation Has Blocked Your PC Fake Alert is usually displayed on malicious websites and should not be trusted. Security experts stated that fake alerts such as this one are merely tactics that relies on specially crafted web pages to scare users into thinking that there is something wrong with their PCs and that they have to call a toll free 866-216-1642 number in order to fix it. However, as expected, the number provided does not belong to Microsoft at all.
Scam alerts like Microsoft Corporation Has Blocked Your PC Fake Alert often provide misleading information and should not be interpreted like there really is something wrong with your computer. You can get redirected to malicious web pages displaying this fake alert when you click on a suspicious link or when there is an adware program on your computer. Once you are redirected to this site, you will see the following fake alert:
“Microsoft Corporation HAS BLOCKED YOUR PC
Error # 268D3
Please call Microsoft immediately at: 1-866-216-1642
Do not ignore this critical alert.
If you close this page, your PC access will be disabled to prevent further damage to our network.
Your PC has alerted us that it has been infected with a virus and spyware. The following information is being stolen…
Facebook Password
> Banking Details
> Microsoft Corporation Account Password
> Photos stored on this PC.
Your must contact us immediately so that our engineers can walk you through the removal process over the phone. Please call us within the next 5 minutes to prevent your PC from bring disabled.
Microsoft Toll Free: +1-866-216-1642”
The Error # 268D3 shown in the alert is associated with other unreliable web pages that display the same tech support scam. This fake alert triggers the download of a remote desktop client which you should cancel. While the phone number provided is managed by cyber crooks who might use and exploit these remote desktop tools such as TeamViewer, LogMeln and to access your computer system, cause some problems to extort money from you.
So when you encounter these kinds of seemingly alarming alerts, always remember that it is only a scam and you won’t get anything out of it except some computer issues if you reach out to the crooks behind these kinds of scam.
How does Microsoft Corporation Has Blocked Your PC Fake Alert circulate online?
If you have encountered fake alerts like Microsoft Corporation Has Blocked Your PC before, then it is possible that there is an adware program installed in your computer. Most adware programs trigger not only intrusive ads but also tech support scams to promote shady software. Adware programs spread as an add-on in a software bundle. Many users often end up installing adware and browser hijackers especially if they only use the Standard or the quick setup in during the installation process instead of the recommended Custom or Advanced setup.
Get rid of Microsoft Corporation Has Blocked Your PC Fake Alert by following the guidelines below. Before you proceed, take note that if you are having trouble closing the browser displaying the fake alerts that means the web page has a pop-up loop enabled so you will have to select the “Prevent this page from loading messages” option or you can simply terminate the browser’s process if you can’t find the option.
Step 1: Tap F11 to exit the full screen mode of the browser if it is forced to go into one.
Step 2: Try to close the browser manually. If you’re unable to do so, close the browser through the Task Manager.
Step 3: Tap the Ctrl + Shift + Esc keys to launch the Task Manager.
Step 4: After opening the Task Manager, go to the Processes tab and look for the affected browser’s process and end its by clicking End task.

Step 5: Close the Task Manager and tap the Win + R keys to open Run and then type in appwiz.cpl to open Control Panel to uninstall the adware program behind the fake alert.
Step 6: Look for the adware program or any unfamiliar program under the list of installed programs. Once you’ve found it, uninstall it.

Step 7: Close the Control Panel and tap the Win + E keys to open File Explorer.
Step 8: Navigate to the following directories and look for the adware installer like the software bundle it came with as well as other suspicious files and delete them.

  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop
  • %TEMP%

Step 9: Close the File Explorer and empty your Recycle Bin.
Step 10: Reset all your browsers to default.
Google Chrome

  1. Launch Google Chrome, press Alt + F, move to More tools, and click Extensions.
  2. Look for suspicious browser extensions or any unwanted add-on, click the Recycle Bin button, and choose Remove.
  3. Restart Google Chrome, then tap Alt + F, and select Settings.
  4. Navigate to the On Startup section at the bottom.
  5. Select “Open a specific page or set of pages”.
  6. Click the More actions button next to the hijacker and click Remove.

Mozilla Firefox

  1. Open the browser and tap Ctrl + Shift + A to access the Add-ons Manager.
  2. In the Extensions menu Remove the unwanted extension.
  3. Restart the browser and tap keys Alt + T.
  4. Select Options and then move to the General menu.
  5. Overwrite the URL in the Home Page section and then restart the browser.

Internet Explorer

  1. Launch Internet Explorer.
  2. Tap Alt + T and select Internet options.
  3. Click the General tab and then overwrite the URL under the homepage section.
  4. Click OK to save the changes.

To ensure the removal of Microsoft Corporation Has Blocked Your PC Fake Alert and the PUP or adware behind it, follow the advanced steps below:
Perform a full system scan using SpyRemover Pro. To do so, follow these steps:

  1. Turn on your computer. If it’s already on, you have to reboot
  2. After that, the BIOSscreen will be displayed, but if Windows pops up instead, reboot your computer and try again. Once you’re on the BIOS screen, repeat pressing F8, by doing so the Advanced Option shows up.

  1. To navigate the Advanced Optionuse the arrow keys and select Safe Mode with Networking then hit
  2. Windows will now load the SafeMode with Networking.
  3. Press and hold both R key and Windows key.

  1. If done correctly, the Windows Run Boxwill show up.
  2. Type in explorer

A single space must be in between explorer and http. Click OK.

  1. A dialog box will be displayed by Internet Explorer. Click Run to begin downloading the program. Installation will start automatically once download is done.

  1. Click OK to launch it.
  2. Run SpyRemover Pro and perform a full system scan.

  1. After all the infections are identified, click REMOVE ALL.

  1. Register the program to protect your computer from future threats.


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