Remove “Add Extension to Leave” Pop-up

Add Extension to Leave” is a malicious pop-up that originates from various advertising domains. This pop-up aims to entice computer users from availing themselves of what is being endorsed in the ads. In this case, “Add Extension to Leave” is promoting various browser extensions that claim to enhance your online surfing experience. Aside from the message, this pop-up is accompanied by audio saying, “Click Add button to install extension.”

If you ever see the “Add Extension to Leave” pop-up, you will be safe by just closing it. Clicking on this link may only open a malicious browser window that may contain harmful code that affects your Internet browser. Additionally, seeing “Add Extension to Leave” pop-ups may indicate that malware is already present on the system. However, it is not always the case. This misleading pop-up is also exhibited when visiting compromised web sites.

When “Add Extension to Leave” pops up in the browser, we highly suggest closing all open windows. Then, disconnect your Internet connection and run a virus scan immediately. You may also want to block the web address where “Add Extension to Leave” originates so it will not have any chance of bothering you again.

Add Extension to Leave

Keep in mind that pop-ups that are suspicious can always cause harm when followed. Thus, we highly suggest installing a security program that has real-time monitoring on your Internet. In that case, malicious online traffic will be blocked at once.

"Add Extension to Leave" Removal Procedure

Below is a systematic instruction that is very useful in getting rid of the potentially unwanted program (PUP) from compromised computer. In order to totally eliminate the threat, it is vital to follow the process in exact manner.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of pop-up and redirect adware like "Add Extension to Leave" 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 "Add Extension to Leave", 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 "Add Extension to Leave" pop-ups and redirects, 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 you are comfortable manually getting rid of the threat and malicious items linked to it.

Step 1 : Get rid of Pop-ups (Notification)

Normally, "Add Extension to Leave" pop-ups will start to bombard internet browser screen with pop-ups if web user was deceived to click “Allow” button that triggers the said website to send push notification. To stop "Add Extension to Leave" from showing the pop-ups, please execute the procedures below.

Remove "Add Extension to Leave" from Google Chrome

1. On Google Chrome browser, input the following in the address bar and press Enter:

chrome://settings/content/notifications

2. Navigate to the list under "Allowed to send notifications" section and look for "Add Extension to Leave".

3. Click the ellipses (3 dots) beside "Add Extension to Leave" list to reveal the options.

Push Notification Google Chrome

4. Click on Block or Remove to stop "Add Extension to Leave" from displaying pop-up ads on Google Chrome browser.

5. Please restart Google Chrome browser.

Stop "Add Extension to Leave" pop-up on Mozilla Firefox

1. On Mozilla Firefox browser, type the following in the address bar and press Enter key:

about:preferences#privacy

2. Navigate below to Permission area and look for Notifications.

Notification Settings Mozilla Firefox

3. Click the Settings button aligned with the Notifications.

4. Look for "Add Extension to Leave" entry and change the Status to Block.

Block Notification Mozilla Firefox

5. Click on Save Changes and restart Mozilla Firefox and check if "Add Extension to Leave" pop-up is gone.

Remove "Add Extension to Leave" from Safari (Mac)

1. On top menu, click on Safari and then, select Preferences from the drop-down list.

2. Click on Websites tab to open its settings.

3. Select Notifications from the left sidebar.

Block Notification on Safari

4. On right panel, it will display a list of websites with "Allow" attribute.

5. Find and click on "Add Extension to Leave".

6. You may choose to Deny or Remove it from the notification list.

7. You may now restart Safari browser and see if "Add Extension to Leave" pop-up is gone.

Get rid of "Add Extension to Leave" from Microsoft Edge

1. Assuming that Edge browser is open, click on the ellipses (3 dots) on upper right corner to open the Settings. Alternatively, you can press Alt + X on the keyboard.

2. Select Settings from the drop-down list.

3. Click on Advanced.

4. Under Website Permissions area, click on Manage Permissions button.

Push Notification on MS Edge

5. Find and select "Add Extension to Leave" from the list. Click on X button to stop it from showing pop-up ads or notifications.

Block Notificaion on MS Edge

6. You may now restart Edge browser.

Step 2 : 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 codes causing "Add Extension to Leave" to show up on the browser that was not deleted during the preceding steps. This tool will scan the computer and check for presence of malicious applications.

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 "Add Extension to Leave".

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.

Image of AdwCleaner Start Scan

4. AdwCleaner searches the computer for malicious programs, extensions, plug-ins, adware, and any items that may be associated to "Add Extension to Leave" pop-ups.

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.

Step 3 : Delete Suspicious Browser Extension

Most adware and unwanted programs use an application called a "browser extension" to be able to take over the settings of internet applications. Therefore, we highly recommend checking and removing the extension that is closely related to "Add Extension to Leave". If it is not present, look for and delete any suspicious browser extension.

Remove the suspicious Browser Extension from Google Chrome

1. Open your Google Chrome browser.

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

Chrome URL

3. Find "Add Extension to Leave" or any relevant entry and remove it from the Google Chrome browser.

Uninstall the unwanted Extension from Mozilla Firefox

1. Open the Mozilla Firefox browser.

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

Firefox URL

3. Choose Extensions from the sidebar menu.

4. Look for an object that pertains to "Add Extension to Leave" and remove it from the browser.

After deleting the malicious browser extension, it is expected that pop-ups and other troubles will be gone from the internet browser.

Remove the malicious Extension from Microsoft Windows and Edge Browser

1. On your keyboard, press Windows Key + R and then, type the appwiz.cpl command.

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

Add-Remove Malware

3. Select suspicious or a recently installed unknown entry. Then, click on Uninstall to remove it from the Windows system.

If "Add Extension to Leave" is still present on the browser and there are still pop-ups and redirects, another option is to remove the adware from the browser settings.

4. Open the Microsoft Edge program.

5. Input edge://extensions/ in the URL bar and press Enter on the keyboard.

6. Look for and Remove or Disable unwanted entries from the Installed Extensions area. Additionally, delete the same object from the Search Providers section by executing the Hijacker Removal Procedure for Edge.

7. Close the window and restart Microsoft Edge.

Step 4 : Alternative Method to Clean Up Google Chrome from "Add Extension to Leave"

Not all browser threats are the same. Some cannot be removed by deleting relevant extensions and codes. In this instance, resetting the browser to its default configuration is the best solution. If "Add Extension to Leave" is still bothering you after completing all the steps above, please execute the procedures below to proceed with the Safety Check.

Use Chrome Safety Check to Delete "Add Extension to Leave"

1. Open the Google Chrome application.

2. Type this string in the address box: chrome://settings/privacy and then, press Enter on the keyboard.

3. Go to Safety Check section and click on Check Now button.

4. Remove any suspicious extensions or sites that are extensively showing notifications.

Image of Safety Check

This feature of Google Chrome aims to find malicious websites and harmful software. If unable to delete "Add Extension to Leave", the other option is to Reset Google Chrome settings to its original defaults. See more details on this page.

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