How to remove “Add Extension to Leave” pop-ups [Chrome, Firefox, IE, Edge]

If you keep receiving the “Add Extension to Leave” popups, when you surf the Web with the Google Chrome, Mozilla Firefox, Internet Explorer and Edge, then it could mean your personal computer is infected with ‘ad-supported’ software (also known as adware) from the big malware family. Once started, it can install a malicious web-browser’s extension that generates tons of pop-up ads or modify the browser’s settings to show ads on all web-pages that you are opening in the web-browser, even on those pages where before you did not see any advertisements. We recommend you to clean you PC from adware and thereby get rid of “Add Extension to Leave” pop-up. You need to follow the guide below ASAP. It will remove the annoying pop-ups and protect your system from more malicious applications and trojans.

The adware can change the settings of the Internet Explorer, Chrome, Firefox and Microsoft Edge, but often that a dangerous software like this can also infect all types of browsers by changing their desktop shortcuts. Thus forcing the user each time open the internet browser to see “Add Extension to Leave” annoying pop-ups.

Technically, the ad supported software is not a virus, but it does bad things, it generates a huge number of ads, hindering or completely blocking the work in the web-browser. It may install other unknown and unwanted software without your permission, force you to visit malicious sites. Moreover, with the adware, a browser hijacker can be additionally installed on to your computer, that will replace your startpage with an unwanted web-site.

We recommend to remove the ad supported software, which redirects your web-browser on the “Add Extension to Leave” malicious page, as soon as you found this problem, as it can direct you to web-resources which may load other dangerous software on your system.

How does “Add Extension to Leave” pop-up get installed onto system

Most often, the ad supported software gets on your personal computer as a part of various freeware, as a bonus. Therefore it is very important at the stage of installing software downloaded from the World Wide Web carefully review the Terms of use and the License agreement, as well as to always choose the Advanced, Custom or Manual installation mode. In this mode, you can turn off all unwanted add-ons, including the adware, which will be installed along with the desired application.

How to manually remove “Add Extension to Leave”

This step-by-step guide will help you uninstall “Add Extension to Leave” popup ads. These “Add Extension to Leave” removal steps work for the Google Chrome, Mozilla Firefox, Internet Explorer and Edge, as well as every version of Windows operating system. Some of the steps may require you to close the internet browser or reboot your PC system. So, bookmark or print it for later reference.

1. Remove suspicious and unknown software by using Windows Control Panel
2. Disinfect the browser’s shortcuts to remove “Add Extension to Leave” redirect
3. Uninstall “Add Extension to Leave” pop-ups from FF
4. Uninstall “Add Extension to Leave” popups from Google Chrome
5. Remove “Add Extension to Leave” pop-up from IE
6. Get rid of unwanted Scheduled Tasks

Remove suspicious and unknown software by using Windows Control Panel

The best way to begin the computer cleanup is to delete unknown and suspicious applications. Using the Windows Control Panel you can do this quickly and easily. This step, in spite of its simplicity, should not be ignored, for one simple reason, many free programs at its installation additionally set various unneeded software that most often generate annoying advertisements and redirect your browser to “Add Extension to Leave” web page. So, remove the unneeded programs may cleanup your browser from popups, hijackers and so on.

1. If you are using Windows 8, 8.1 or 10 then press Windows key, click Search. Type “Control panel”and press Enter.
2. If you are using Windows XP, Vista, 7, then press “Start” button and click “Control Panel”.
3. It will display the Windows Control Panel.
4. Click “Uninstall a program” under Programs category.
5. You will see a list of all installed programs.
6. Scroll through the all list, and remove suspicious and unknown applications. To quickly find the latest installed applications, we recommend sort programs by date.

See more details in the video instructions below.

Disinfect the browser’s shortcuts to remove “Add Extension to Leave” redirect

Once installed, the ad supported software may add an argument similar “http://site.address” into the Target property of the desktop shortcut for the Internet Explorer, Chrome, Firefox and Microsoft Edge. Due to this, every time you start the browser, it will open the “Add Extension to Leave” unwanted web-site.

Right click on the browser’s shortcut, click Properties option. On the Shortcut tab, locate the Target field. Click inside, you will see a vertical line – arrow pointer, move it (using -> arrow key on your keyboard) to the right as possible. You will see a text that begins with “http://”. Remove it or everything after .exe. An example, for Google Chrome you should remove everything after chrome.exe. Click OK to save changes. You need to clean all browser’s shortcuts. So, repeat this step for the Internet Explorer, Chrome, Firefox and Microsoft Edge.

Uninstall “Add Extension to Leave” pop-ups from FF

Open the Mozilla Firefox menu by clicking on the button in the form of three horizontal stripes (). It opens the drop-down menu. Click on the Help button (). In the Help menu click on the “Troubleshooting Information”. In the upper-right corner of the “Troubleshooting Information” page click on “Refresh Firefox” button. Confirm your action. Click on the “Refresh Firefox”.

Uninstall “Add Extension to Leave” popups from Google Chrome

Open the Google Chrome menu by clicking on the button in the form of three horizontal stripes (). It opens the drop-down menu. Click to Settings option. Scroll down to the bottom of the page and click on the “Show advanced settings” link. Now scroll down until the Reset settings section is visible, as shown below and click on the Reset settings button. Confirm your action, click on the Reset button.

Remove “Add Extension to Leave” pop-up from IE

Open the Microsoft Internet Explorer tools menu by clicking on the button in the form of gear (). It opens the drop-down menu. Click on the “Internet Options”. In the Internet Options window click on the Advanced tab, then click the Reset button. The Internet Explorer will show the “Reset Internet Explorer settings” window. Select the “Delete personal settings” check box, then click on “Reset” button. You will now need to restart your computer for the changes to take effect.

Get rid of unwanted Scheduled Tasks

Once installed, the adware can add a task in to the Windows Task Scheduler Library. Due to this, every time when you start your PC, it will display the “Add Extension to Leave” unwanted web-page. So, you need to check the Task Scheduler Library and remove all tasks that have been created by ‘ad-supported’ software.

Press Windows and R keys on your keyboard at the same time. This opens a prompt that titled with Run. In the text field, type “taskschd.msc” (without the quotes) and press Enter. Task Scheduler window opens. In the left-hand side, click “Task Scheduler Library”, as shown on the image below.

In the middle part you will see a list of installed tasks. Select the first task, its properties will be show just below automatically. Next, press the Actions tab. Necessary to look at the text which is written under Details. Found something such as “explorer.exe http://”Add Extension to Leave”” or “chrome.exe http://site.address” or “firefox.exe http://site.address”, then you need get rid of this task. If you are not sure that executes the task, then google it. If it is a component of the malicious software, then this task also can be safely removed.

Further click on it with the right mouse button and select Delete as shown below.

Repeat this step, if you have found a few tasks that have been created by adware. Once is complete, close the Task Scheduler window.

Delete “Add Extension to Leave” pop-ups with MalwareBytes Anti-malware

Get rid of “Add Extension to Leave” manually is difficult and often the adware is not completely removed. Therefore, we recommend you to use the MalwareBytes Anti-malware Free that are completely clean your computer. The MalwareBytes Anti-malware is a reputable malware removal program. It can automatically detect and get rid of the adware of the your computer. Moreover, this free application will help you to remove browser hijackers, malware and toolbars that your PC may be infected too. You can follow the steps below to get rid of the “Add Extension to Leave” annoying advertisements completely.

Download MalwareBytes Anti-malware (MBAM) from the link below.

Once downloaded, close all software and windows on your system. Open a directory in which you saved it. Double-click on the icon that named mbam-setup like below.

When the installation begins, you will see the “Setup wizard” that will help you install MalwareBytes Anti-malware on your system.

Once installation is complete, you will see window as shown on the screen below.

Now click on the “Scan Now” button to begin scanning your personal computer for the adware which causes the “Add Extension to Leave” pop-up. This procedure can take some time, so please be patient.

When the scan is finished, make sure all entries have “checkmark” and press “Remove Selected” button. The MalwareBytes Anti-malware will start removing the adware related files, folders, registry keys. Once disinfection is finished, you may be prompted to Restart.

How to stop “Add Extension to Leave”

To increase your security and protect your PC against new unwanted ads and malicious sites, you need to use an application that blocks access to dangerous ads and sites. Moreover, the software can block the display of intrusive advertising, which also leads to faster loading of pages and reduce the consumption of web traffic.

1. Download AdGuard program using the following link.
   
   

   Adguard download
   26627 downloads
   Version: 6.4
   Author: © Adguard
   Category: Security tools
   Update: November 15, 2018
   
2. After the download is complete, run the downloaded file. You will see the “Setup Wizard” program window. Follow the prompts.
3. Once the installation is finished, click “Skip” to close the installation program and use the default settings, or press “Get Started” to see an quick tutorial that will help you get to know AdGuard better.
4. In most cases, the default settings are enough and you do not need to change anything. Each time, when you start your computer, AdGuard will start automatically and block pop-up ads, “Add Extension to Leave” redirects, as well as other malicious or misleading pages. For an overview of all the features of the program, or to change its settings you can simply double-click on the AdGuard icon , which is located on your Windows desktop.

Get rid of “Add Extension to Leave” and malicious extensions with AdwCleaner.

If MalwareBytes Anti-malware cannot remove the annoying “Add Extension to Leave” redirect within the Chrome, Firefox, IE and MS Edge, then we suggests to use the AdwCleaner. AdwCleaner is a free removal tool for adware, browser hijackers, PUPs, toolbars. Also you can ask for help our Myantispyware team below.

Download AdwCleaner from the link below.

Once finished, open a directory in which you saved it. You will see a icon like below.

Double click the AdwCleaner desktop icon. Once this tool is started, you will see a screen like below.

Press “Scan” button to perform a system scan for malicious extensions and the adware which displays the “Add Extension to Leave” pop-ups. Once AdwCleaner has finished, it will show a scan report as shown below.

Review the report and then click “Cleaning” button. It will open a prompt.

Click “OK”. When the cleaning process is finished, AdwCleaner may ask you to reboot your PC system.

When your PC is started, you will see an AdwCleaner log.

How to ask for help the Myantispyware team

If you are seeking a help for “Add Extension to Leave” malware removal then follow these steps.

1. Download HijackThis from the link below and save it to your Desktop.
   

   HijackThis download
   4692 downloads
   Version: 2.0.5
   Author: OpenSource
   Category: Security tools
   Update: November 7, 2015
   
2. Double-click on the HijackThis icon, and click the button labeled “Do a system scan only”.
3. Once the scan is complete, the scan button will read “Save log”, click it. Save this log to your desktop

Create a Myantispyware account here. Once you’ve registered, check your e-mail for a confirmation link, and confirm your account. After that, login.

• Copy and paste the contents of the HijackThis log into your post. If you are posting for the first time, please start a new thread by using the “New Topic” button in the Spyware Removal forum. When posting your HJT log, try to give us some details about your problems, so we can try to help you more accurately.
• Wait for one of our trained “Security Team” or Site Administrator to provide you with knowledgeable assistance tailored to your problem with the annoying “Add Extension to Leave” pop-up.