Remove “Windows Detected Security Error, Due to Third Party Suspicious Activity”

“Windows Detected Security Error, Due to Third Party Suspicious Activity” is a pop-up that purported to be a valid warning of legitimate program. In reality, this is a fake web site that tries to deceive computer users. It issues fake warnings and alerts prompting visitors to call a number and seek for technical support. Be aware that programs and services offered are not free. “Windows Detected Security Error, Due to Third Party Suspicious Activity” was created to scam computer users and steal money through fraudulent online transactions.

When your browser is redirected to “Windows Detected Security Error, Due to Third Party Suspicious Activity”, or pop-up appears as you browse the Internet, it may mean that your computer is infected with malicious code. In contrary, your PC may be clean and the appearance of “Windows Detected Security Error, Due to Third Party Suspicious Activity” pop-ups was just caused by an infected web site you are viewing. Remember that site “Windows Detected Security Error, Due to Third Party Suspicious Activity” is malicious. Thus, you must avoid it to keep your computer safe and away from adware or malware threats.

If “Windows Detected Security Error, Due to Third Party Suspicious Activity” files are executed, you may instantly acquire unwanted codes that may cause changes on the computer. Moreover, add-ons and extensions brought by this site can do modifications on the browser that causes pop-up ads, redirects, home page hijacking, and other unsolicited actions. On the other hand, if you call the provided number, your phone account will be billed with unexpected amount. The message you will see from this malicious pop-up reads:

Windows Detected Security Error, Due to Third Party Suspicious Activity.
Contact Windows Certified Live technicians 1-866-978-5645

In order to prevent “Windows Detected Security Error, Due to Third Party Suspicious Activity” attack, you must take extra caution when visiting web sites particularly unknown ones. As much as possible, avoid downloading unfamiliar freeware or shareware that are commonly the carrier or adware and other malicious programs.

Windows-Detected-Security-Error

To completely remove “Windows Detected Security Error, Due to Third Party Suspicious Activity” adware and stop the pop-up ads, you may have to scan the PC with legitimate security tools and virus removers. Removing any relevant software also helps eliminate unwanted items on the computer.

"Windows Detected Security Error, Due to Third Party Suspicious Activity" Removal Procedure

Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised Windows computer. Aside from removing the malicious browser extension, this guide is also helpful in deleting browser hijacker and pop-ups.

In order to totally eliminate the threat, it is vital to follow the process in exact manner.

Step 1 : Delete Suspicious Browser Extension

Most adware and unwanted programs are using a program called browser extension to be able to take over the settings of internet applications. Therefore, we highly recommend to check and remove any suspicious the extension from the affected browser program.

Remove Malicious Extension from Google Chrome

1. Open Google Chrome browser.

2. Type chrome://extensions/ in the address bar and press Enter on keyboard.

Chrome URL

3. Find questionable entry and remove it from Google Chrome browser.

Uninstall Malware Extension from Mozilla Firefox

1. Open Mozilla Firefox browser.

2. Type about:addons in the address bar and press Enter on keyboard.

Firefox URL

3. Choose Extensions on sidebar menu.

4. Look for suspicious object and remove it from the browser.

After deleting the malicious browser extension, it is expected that "Windows Detected Security Error, Due to Third Party Suspicious Activity" is also gone from the internet browser app.

Remove suspicious Add-ons from Internet Explorer and Edge Browser

1. Open Internet Explorer program.

2. Go to top Menu and click Tools. Then, select Manage Add-ons from the drop-down list.

Internet Explorer Add-ons

3. Close the window and restart Internet Explorer.

If "Windows Detected Security Error, Due to Third Party Suspicious Activity" is still present on the IE browser and there are still unwanted homepage and pop-ups, another option is to remove the adware from Windows Control Panel.

4. Press Windows Key + R and then, type appwiz.cpl command.

5. Program and Features window will open. Arrange the list in chronological manner with recently installed applications on top. To do this, click on 'Installed On' column.

Add-Remove Malware

7. Select doubtful item or recently installed unwanted entry. Then, click on Uninstall to remove it from Windows system.

Step 2 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with powerful virus and malware detection engine. This program can get rid of pop-up and redirect adware like "Windows Detected Security Error, Due to Third Party Suspicious Activity" through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like "Windows Detected Security Error, Due to Third Party Suspicious Activity", click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete "Windows Detected Security Error, Due to Third Party Suspicious Activity" pop-up and redirect including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if your are comfortable to manually get rid of the threat and malicious items linked with it.

Step 3 : Scan and Delete Adware with AdwCleaner

In addition to the procedure, we suggest scanning the computer with AdwCleaner tool. Possibly, there are some traces of "Windows Detected Security Error, Due to Third Party Suspicious Activity" on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications as well as invalid browser entries that produces hijacking, redirects, and pop-ups.

1. Follow the link below to download the tool called AdwCleaner.

2. When the download has completed, please close all running programs on the computer especially browsers affected by "Windows Detected Security Error, Due to Third Party Suspicious Activity" pop-up.

3. Browse the location of the downloaded file and double-click on adwcleaner_Ver.exe to start running the tool. Then, click on Scan button.

AdwCleaner

4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to "Windows Detected Security Error, Due to Third Party Suspicious Activity". It will also check for suspicious entries on browser settings that is associated with the hijacker.

5. Clean or Remove all suspicious and harmful items identified after the thorough scan.

6. After the cleanup procedure, rebooting the computer is required to finalize the removal of detected threats.

Check if your internet browser application is no longer being bothered by "Windows Detected Security Error, Due to Third Party Suspicious Activity" pop-up. If the browser hijacker still persists, please continue with the steps below to reset internet programs to default settings.

Optional : Reset Internet Browser Program

Cleaning your internet browser from clutter and unwanted add-on/extension is a must when dealing with "Windows Detected Security Error, Due to Third Party Suspicious Activity". The procedure below discuss on resetting various browsers to its default state.

Restore Google Chrome to Default Settings

Resetting Google Chrome to default settings is helpful in deleting hard-to-remove extension such as from "Windows Detected Security Error, Due to Third Party Suspicious Activity". This method is highly advisable to perform if you have difficulty in removing unwanted extension.

1. Open Google Chrome Internet browser.
2. On the address bar, type chrome://settings/reset and press Enter key.
3. Under Reset and clean up section, choose Restore settings to their original defaults.
4. Click Reset settings button to clear all entries of "Windows Detected Security Error, Due to Third Party Suspicious Activity".
5. Close the existing tab and restart Google Chrome. That should have removed "Windows Detected Security Error, Due to Third Party Suspicious Activity" extension and associated objects.

Reset Mozilla Firefox to Default

This section describes how to remove unwanted extension from Firefox that may be related to "Windows Detected Security Error, Due to Third Party Suspicious Activity". This process can fix many browser issues by restoring Firefox to factory settings without affecting your essential information (bookmarks, browsing history, passwords, and Internet cookies) on the browser. If you desire to remove only specific extension, please see manual removal of add-on from Firefox.

1. Input the string about:support on Firefox web address and press Enter on keyboard.
2. You will now see the Troubleshooting Information page of Mozilla Firefox.
3. You will notice a section on upper-right corner of the screen stating Give Firefox a tune up. Click the Refresh Firefox button.
4. If confirmation window appears, click Refresh Firefox to continue.
5. Firefox browser will close and start the resetting process. When done, it will display a list of restored data. "Windows Detected Security Error, Due to Third Party Suspicious Activity" should be gone by now. Click Finish to open a fresh version of Firefox.

Restore Internet Explorer to Default Settings

1. Open Internet Explorer and navigate to top menu. Click Tools, and then Internet Options.
2. Select Advanced tab on Internet Options window.
3. On lower part of the window, under Reset Internet Explorer Settings area, click the Reset button. Please see image for reference. Your data like favorites, bookmark, and history will remain in the browser. However, this process may delete add-ons by "Windows Detected Security Error, Due to Third Party Suspicious Activity" and other unknown objects. If you prefer to carry out the procedure manually, please add-on removal from Internet Explorer.

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