Severity scale:  
  (18/100)

Window’s Security Certificate is Expired. How to remove? (Uninstall guide)

removal by Linas Kiguolis - - | Type: Adware

Window's Security Certificate is Expired is a technical support scam that tries to extort valuable information out of unsuspecting users

Window's Security Certificate is Expired virus
Window's Security Certificate is Expired is a bogus alert that is usually initiated by adware

Window's Security Certificate is Expired is a fake alert and a tech support scam[1] that usually appears on Google Chrome, Internet Explorer, Mozilla Firefox, Safari or other browsers while users browse the internet. They might end up seeing the bogus message when they get redirected from a malicious website. However, those who encounter the alert often, as well as see an increased amount of redirects, pop-ups, unknown extensions, and similar questionable activities, it is highly likely that their computers are affected by an adware program. Crooks behind Windows Security Certificate Expired scam seek to either extort the valuable, sensitive information, make victims pay for software they don't need or even infect a machine with dangerous viruses. To remove Window's Security Certificate is Expired virus, read through this article carefully.

SUMMARY
Name Window's Security Certificate is Expired
Type Adware, PUP
Sub-type Tech support scam
Compatible browsers Google Chrome, Mozilla Firefox, Safari, Internet Explorer, etc.
Distribution Software bundling, suspicious sites
Symtoms Intrusive ads blocking legitimate content, redirects to tech supports scam sites, promotion of bodus software, etc.
Elimination Use manual removal guide below or an antivirus software that can delete PUPs. To automatically fix the damage, use Reimage

Fraud is a well-known technique used by criminals in both, real and digital worlds, and it affects regular users, as well as businesses.[2] No matter how poorly the scam is engineered, it is highly likely that there will be somebody who will believe it. Therefore, it is vital to acquire as much information as possible and, most importantly, be critical in the first place. Window's Security Certificate is Expired scam is just another attempt to monetize on behalf of somebody's misfortune.

Crooks urge users to call the fake tech support number (allegedly toll-free) in the following message:

The Window’s Security Certificate is Expired. This may cause Security breach on the machine.

Windows has detected unusual activity on your Computer Network. Your information present on the machine might be at risk. Back up your files immediately to prevent information loss, or contact windows support at +1-888-411-1165.

The following information might be at risk:-

  • Financial informations
  • Bank Account Logins
  • Credit Card Details
  • Other Login Informations
  • Stored Files on this computer

Usually, crooks are pretty good at compiling clever and convincing messages. It is obvious, however, that these bad actors are not very good at social engineering. First of all, security certificates only apply to web pages, not operating systems.

Secondly, the Windows Security Alert Certificate Expired authors are not in a hurry to explain, what is exactly wrong – it is merely a poor attempt to scare users (“unusual activity” is not a reasonable explanation, and Windows would never use such expressions in their warning messages).

Not to mention that the fake support guys behind made several spelling and grammar mistakes, as well as repeated themselves about banking information data. Nevertheless, because the Windows Security Alert Certificate Expired warning pops out of nowhere, some users might panic and not notice these signs.

If you proceed and call the provided number, you might be tricked by crooks behind the Window's Security Certificate is Expired scam even more, as they might ask for remote access to your machine, ask for your personal information or make you download bogus software you do not need. Regardless what they ask for, it should be ignored.

In general, you should simply close down your browser if you see Window's Security Certificate is Expired bogus message. Some tech support scam messages can prevent from exiting them; thus, you can open Task Manager and forcefully close down your browser.

To retrieve normal operation of your Google Chrome, Mozilla Firefox, Safari or another browser, you need to perform full Window's Security Certificate is Expired removal. For the quickest elimination, we suggest downloading robust security software that would be able to detect any unwanted apps on the machine. Alternatively, you can also check our guide below this report. As soon as the elimination is complete, use Reimage to fix the damage done by adware (for example, scheduled tasks, Windows Registry, etc.).

Learn to install freeware correctly and avoid unwanted programs

Security experts[3] always advise users not to rush installation of software. Unfortunately, users often rely on Recommended settings as they want to save time – and this is a perfect opportunity for PUP creators to insert their products into users’ machines.

If you always click “Next” button during freeware installment, you might skip essential steps. These steps include the lineup of optional installs, which you can only decline if you select Advanced/Custom installation mode.

Thus, it is vital to pay attention online. We also advise avoiding websites of suspicious content, such as file-sharing, P2P, porn, gambling, free online gaming and similar. Remember, third-party sites might be safe, but sometimes might lead you to severe consequences.

Window's Security Certificate is Expired fake alert
Crooks can pretend to be wise while speaking using terms most regular computer users do not understand.

Eliminate unwanted apps quickly

We suggest you download and install powerful security software if you want to remove Window's Security Certificate is Expired virus quickly. This method not only allows you to eliminate all other components that adware might have installed against your will but will also protect you from more serious infections, such as trojan horses.[4]

Nevertheless, manual Window's Security Certificate is Expired removal option is also available. If you want to avoid additional software on your machine, you can check our detailed guide below – it will explain how to eliminate the PUP and then reset all browsers to default.

You can remove Window’s Security Certificate is Expired automatically with a help of one of these programs: Reimage, Malwarebytes. We recommend these applications because they can easily delete 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.
More information about this program can be found in Reimage review.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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Alternate Software
Malwarebytes
Alternate Software
Malwarebytes

To remove Window’s Security Certificate is Expired, follow these steps:

WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove Window’s Security Certificate is Expired from Windows systems

To eliminate Window's Security Certificate is Expired virus from Windows, follow these steps:

  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 Window’s Security Certificate is Expired and related programs
    Here, look for Window’s Security Certificate is Expired 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'
WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Uninstall Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired removal. Go to 'Advanced' tab and click on 'Reset' button. Now select 'Delete personal settings' and click on 'Reset' button again
WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Erase Window’s Security Certificate is Expired 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, Window’s Security Certificate is Expired should be removed from your Microsoft Edge browser.

WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Delete Window’s Security Certificate is Expired from Mozilla Firefox (FF)

Reset Firefox by following these instructions:

  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 Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired removal. Click on 'Reset Firefox' button for a couple of times
WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Eliminate Window’s Security Certificate is Expired from Google Chrome

  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 Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired removal. Click on 'Reset' button to complete your removal
WindowsInternet ExplorerMicrosoft EdgeFirefoxGoogle ChromeSafari

Remove Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired 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 Window’s Security Certificate is Expired removal process. Select all options and click on 'Reset' button

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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