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Windows Firewall Warning Alert. How to remove? (Uninstall guide)

removal by Lucia Danes - - | Type: Malware

Windows Firewall Warning Alert indicates that your system is infected with adware

The image of Windows Firewall Warning Alert pop-up

Windows Firewall Warning Alert virus appears as a fake pop-up message which is designed for phishing[1] purposes. Despite how genuine it looks, Error #0x86672ee7 is not a real warning rather than an attempt to trick you into calling so-called Tech Support via toll-free +1 (866) 475-7161 number. Experts say that the reason why you see this scam is an adware program which is present on your system.

Usually, people install the ad-supported unconsciously since developers employ a deceptive distribution technique called bundling. Shortly after, users are redirected to a shady site which displays “Windows Firewall Warning Alert” pop-up. Users are urged to call fake Tech Support since malicious spyware/riskware is detected. 

Here is the fraction of Windows Firewall Warning Alert scam message:

Windows Firewall Warning Alert
Malicious Spyware/Riskware Detected
Error #0x86672ee7
Please call us immediately at +1 (866) 475-7161
Do not ignore this critical alert.

If you close this page, your computer access will be disabled to prevent further damage to our network.
Your computer has alerted us that it has been infected with a Spyware and risk ware. The following information is being stolen…
Financial Data
Facebook Logins
Credit Card Details
Email Account Logins
Photos stored on this computer

You must contact us immediately so that our expert engineers can walk you through the removal process over the phone to protect your identity. Please call us within the next 5 minutes to prevent your computer from being disabled or from any information loss.

Fake Windows Firewall Warning Alert tries to convince the victim to call via indicated number by claiming that most important information, including financial data, Facebook and email account logins, credit card details and photographs might be stolen. However, we can assure you that your private information is safe.

Although, if you call to the so-called Tech Support the scammers of “Windows Firewall Warning Alert” pop-up who are behind the phone will most probably ask you to give remote access to your system in order to fix this “critical” issue. In reality, they usually stealthily infiltrate other dangerous computer threats to force you to keep using their fake services. 

Furthermore, you might be asked to get an expensive and ineffective antivirus to help you protect your system. Both ways criminals try to gain illegal profits from credulous people by using phishing techniques. Therefore, you should NEVER call the fraudulent support[2]. Instead, remove Windows Firewall Warning Alert together with the adware which is displaying it.

We suggest you get a reliable security software from authorized developers like Reimage. It will provide you real protection from all types of potentially unwanted programs which help the crooks to swindle money from innocent people. Although, you can use another professional tool for Windows Firewall Warning Alert removal as well.

Pay close attention when installing free software

Experts from BedyNet.ru[3] keep warning users about the popular distribution method, bundling, which helps the developers of potentially unwanted programs to stealthily infiltrate their unreliable applications without user's consent. However, people continue skipping steps and unconsciously installing adware programs with free software.

If you want to protect your system from potentially unwanted programs, never choose Recommended or Advanced mode of the installer. It hides optional components of the software, including adware and you are unable to reject its installation. Instead, pick Advanced/Custom parameters and closely monitor the procedure.

It is important to detect all pre-selected checkmarks which allow the PUP to enter your system without your consent. Likewise, un-tick those checkboxes and always use the antivirus to double-check your computer for any types of potentially dangerous cyber threats.

Windows Firewall Warning Alert virus uninstall guide

Windows Firewall Warning Alert removal is a slightly tricky procedure which requires extreme attention. Adware program which delivers this scam message has extra elements which help it to continue this malicious activity. Have in mind that those components might be hidden and not every computer user is able to find them.

Unfortunately, if you want to get rid of Windows Firewall Warning Alert for good, you must uninstall them all. Note that if you are tricked to terminate fundamental system processes, it might lead to permanent computer damage. Likewise, the smartest decision would be to ensure the elimination procedure for a professional malware removal software.

You can remove Windows Firewall Warning Alert automatically. Just download a reliable antivirus and let it find the adware with all its components on your system. Shortly after you will be able to enjoy adware-free computer. Additionally, your PC will be protected from similar infections in the future as well.

You can remove virus damage automatically with a help of one of these programs: Reimage, Malwarebytes MalwarebytesCombo Cleaner, Plumbytes Anti-MalwareMalwarebytes Malwarebytes. We recommend these applications because they detect potentially unwanted programs and viruses with all their files and registry entries that are related to them.

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Windows Firewall Warning Alert, follow these steps:

WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Windows Firewall Warning Alert from Windows systems

If you have noticed that Windows Firewall Warning Alert continuously bothers you, remove the adware program from your Windows system.

  1. Click Start Control Panel Programs and Features (if you are Windows XP user, click on Add/Remove Programs). Click 'Start -> Control Panel -> Programs and Features' (if you are 'Windows XP' user, click on 'Add/Remove Programs').
  2. If you are Windows 10 / Windows 8 user, then right-click in the lower left corner of the screen. Once Quick Access Menu shows up, select Control Panel and Uninstall a Program. If you are 'Windows 10 / Windows 8' user, then right-click in the lower left corner of the screen. Once 'Quick Access Menu' shows up, select 'Control Panel' and 'Uninstall a Program'.
  3. Uninstall Windows Firewall Warning Alert and related programs
    Here, look for Windows Firewall Warning Alert or any other recently installed suspicious programs.
  4. Uninstall them and click OK to save these changes. Right click on each of suspicious entries and select 'Uninstall'
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Remove Windows Firewall Warning Alert from Mac OS X system

  1. If you are using OS X, click Go button at the top left of the screen and select Applications. Cick 'Go' and select 'Applications'
  2. Wait until you see Applications folder and look for Windows Firewall Warning Alert or any other suspicious programs on it. Now right click on every of such entries and select Move to Trash. Click on every malicious entry and select 'Move to Trash'
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Eliminate Windows Firewall Warning Alert from Internet Explorer (IE)

  1. Remove dangerous add-ons
    Open Internet Explorer, click on the Gear icon (IE menu) on the top right corner of the browser and choose Manage Add-ons. Click on menu icon and select 'Manage add-ons'
  2. You will see a Manage Add-ons window. Here, look for Windows Firewall Warning Alert and other suspicious plugins. Disable these entries by clicking Disable: Right click on each of malicious entries and select 'Disable'
  3. Change your homepage if it was altered by virus:
    Click on the gear icon (menu) on the top right corner of the browser and select Internet Options. Stay in General tab.
  4. Here, remove malicious URL and enter preferable domain name. Click Apply to save changes. Delete malicious URL, enter your desired domain name and click 'Apply' to save changes
  5. Reset Internet Explorer
    Click on the gear icon (menu) again and select Internet options. Go to Advanced tab.
  6. Here, select Reset.
  7. When in the new window, check Delete personal settings and select Reset again to complete Windows Firewall Warning Alert removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Windows Firewall Warning Alert from Microsoft Edge

Reset Microsoft Edge settings (Method 1):

  1. Launch Microsoft Edge app and click More (three dots at the top right corner of the screen).
  2. Click Settings to open more options.
  3. Once Settings window shows up, click Choose what to clear button under Clear browsing data option. Go to Settings and select 'Choose what to clear'
  4. Here, select all what you want to remove and click Clear. Select 'Clear' button
  5. Now you should right-click on the Start button (Windows logo). Here, select Task Manager. Open the start menu and select 'Task Manager'
  6. When in Processes tab, search for Microsoft Edge.
  7. Right-click on it and choose Go to details option. If can’t see Go to details option, click More details and repeat previous steps. Right-click 'Microsoft Edge' and select 'Go to details' Select 'More details' if 'Go to details' option fails to show up
  8. When Details tab shows up, find every entry with Microsoft Edge name in it. Right click on each of them and select End Task to end these entries. Find Microsoft Edge entries and select 'End Task'

Resetting Microsoft Edge browser (Method 2):

If Method 1 failed to help you, you need to use an advanced Edge reset method.

  1. Note: you need to backup your data before using this method.
  2. Find this folder on your computer: C:\Users\%username%\AppData\Local\Packages\Microsoft.MicrosoftEdge_8wekyb3d8bbwe.
  3. Select every entry which is saved on it and right click with your mouse. Then Delete option. Go to Microsoft Edge folder on your computer, right-click every entry and click 'Delete'
  4. Click the Start button (Windows logo) and type in window power in Search my stuff line.
  5. Right-click the Windows PowerShell entry and choose Run as administrator. Find Windows PowerShell, right-click it and select 'Run as administrator'
  6. Once Administrator: Windows PowerShell window shows up, paste this command line after PS C:\WINDOWS\system32> and press Enter:
    Get-AppXPackage -AllUsers -Name Microsoft.MicrosoftEdge | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register $($_.InstallLocation)\AppXManifest.xml -Verbose}
    Copy and paste a required command and press 'Enter'

Once these steps are finished, Windows Firewall Warning Alert should be removed from your Microsoft Edge browser.

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Uninstall Windows Firewall Warning Alert from Mozilla Firefox (FF)

You should uninstall all suspicious entries from your browser to fix Mozilla and stop seeing Windows Firewall Warning Alert.

  1. Remove dangerous extensions
    Open Mozilla Firefox, click on the menu icon (top right corner) and select Add-ons Extensions. Click on menu icon and select 'Add-ons'
  2. Here, select Windows Firewall Warning Alert and other questionable plugins. Click Remove to delete these entries. Select 'Extensions' and look for malicious entries. Click 'Remove' to get rid of each of them
  3. Reset Mozilla Firefox
    Click on the Firefox menu on the top left and click on the question mark. Here, choose Troubleshooting Information. Click on menu icon and then on '?'. Select 'Troubleshooting Information'
  4. Now you will see Reset Firefox to its default state message with Reset Firefox button. Click this button for several times and complete Windows Firewall Warning Alert removal. Click on 'Reset Firefox' button for a couple of times
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase Windows Firewall Warning Alert from Google Chrome

In case your Chrome starts delivering Windows Firewall Warning Alert, search for and delete shady extensions and plug-ins.

  1. Delete malicious plugins
    Open Google Chrome, click on the menu icon (top right corner) and select Tools Extensions. Click on menu icon. Select 'Tools' and 'Extensions'
  2. Here, select Windows Firewall Warning Alert and other malicious plugins and select trash icon to delete these entries. Look for malicious entries and delete each of them by clicking on the Trash bin icon
  3. Click on menu icon again and choose Settings Manage Search engines under the Search section. When in 'Settings', select 'Manage search engines...'
  4. When in Search Engines..., remove malicious search sites. You should leave only Google or your preferred domain name. Click 'X' to remove malicious URLs
  5. Reset Google Chrome
    Click on menu icon on the top right of your Google Chrome and select Settings.
  6. Scroll down to the end of the page and click on Reset browser settings. When in 'Settings', scroll down to 'Reset browser settings' button and click on it
  7. Click Reset to confirm this action and complete Windows Firewall Warning Alert removal. Click on 'Reset' button to complete your removal
WindowsMac OS XInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Get rid of Windows Firewall Warning Alert from Safari

  1. Remove dangerous extensions
    Open Safari web browser and click on Safari in menu at the top left of the screen. Once you do this, select Preferences. Click on 'Safari' and select 'Preferences'
  2. Here, select Extensions and look for Windows Firewall Warning Alert or other suspicious entries. Click on the Uninstall button to get rid each of them. Go to 'Extensions' and uninstall malicious add-ons
  3. Reset Safari
    Open Safari browser and click on Safari in menu section at the top left of the screen. Here, select Reset Safari.... Click on 'Safari' and select 'Reset Safari...'
  4. Now you will see a detailed dialog window filled with reset options. All of those options are usually checked, but you can specify which of them you want to reset. Click the Reset button to complete Windows Firewall Warning Alert removal process. Select all options and click on 'Reset' button

About the author

Lucia Danes
Lucia Danes - Virus researcher

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References