On Mac endpoints, you can use the Mac installation program (in this case, the GlobalProtect Installer) to uninstall a program. To uninstall the GlobalProtect app from your endpoint, install the GlobalProtect software package, and then launch the GlobalProtect Installer.

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Use Launchpad to delete an app

Launchpad offers a convenient way to delete apps that were downloaded from the App Store.

1. To open Launchpad, click it in the Dock or open it from your Applications folder. You can also pinch closed with your thumb and three fingers on your trackpad.
2. If you don't see the app in Launchpad, type its name in the search field at the top of the screen. Or swipe right or left with two fingers on your trackpad to show the next or previous page.
   
3. Press and hold the Option (⌥) key, or click and hold any app until the apps jiggle.
4. Click next to the app that you want to delete, then click Delete to confirm. The app is deleted immediately. Apps that don't show either didn't come from the App Store or are required by your Mac. To delete an app that didn't come from the App Store, use the Finder instead.

Deleting an app doesn't cancel any subscription you may have purchased with that app. Learn how to cancel subscriptions for apps that were downloaded from the App Store.

Use the Finder to delete an app

• Free App Uninstaller for Mac – AppCleaner. FreeMacSoft developed one popular free app removers for Mac users – AppCleaner.With this freeware, you can easily search the apps, plugins, and widgets you don’t want anymore, and completely remove them from your Mac.
• AppCleaner is a small application which allows you to thoroughly uninstall unwanted apps. Installing an application distributes many files throughout your System using space of your Hard Drive unnecessarily. AppCleaner finds all these small files and safely deletes them. Simply drop an application onto the AppCleaner window.
• Uninstall Mac apps and delete left behind files If the idea of deleting apps and digging into secret libraries on your Mac to remove associated files is daunting, we have a better solution. CleanMyMacX is a best Mac utility that helps manage your apps and files, in addition to a ton of other features.

1. Locate the app in the Finder. Most apps are in your Applications folder, which you can open by clicking Applications in the sidebar of any Finder window. Or use Spotlight to find the app, then press and hold the Command (⌘) key while double-clicking the app in Spotlight.
2. Drag the app to the Trash, or select the app and choose File > Move to Trash.
   
3. If you're asked for a user name and password, enter the name and password of an administrator account on your Mac. This is probably the name and password you use to log in to your Mac.
4. To delete the app, choose Finder > Empty Trash.
   

Learn more

To use an app again after deleting it, either reinstall it or restore it from a backup.

• To reinstall apps that were installed as part of macOS, reinstall macOS. This applies to apps such as Safari, iTunes, Books, Messages, Mail, Calendar, Photos, and FaceTime.
• You can also redownload apps, music, movies, TV shows, and books that were installed from the App Store, iTunes Store, or Apple Books.

Learn how to delete apps on your iPhone, iPad, and iPod touch.

Learn what to do if the Dock contains an icon with a question mark.

What is MarketService

According to security researchers, MarketService is an adware program. Adware is type of malicious software which presents undesired advertising on a computer, redirects search requests to advertising webpages and gathers confidential data for marketing purposes. Adware can display banner ads, full-screen advertisements, pop ups, videos, or other varieties of online advertising. Adware can attack your MAC system’s internet browsers such as the Safari, Firefox and Google Chrome. Maybe you approve the idea that the advertisements or pop ups is just a small problem. But these annoying ads eat machine resources and slow down your machine performance

Another reason why you need to get rid of the MarketService adware is its online>NameMarketService, Market Service 1.0 appTypeadware, potentially unwanted program (PUP), popups, pop-up advertisements, pop-up virusSymptoms

• advertising banners appear in places they shouldn’t be
• when you go to a website, you’re constantly re-directed to another website that you do not intend to visit
• unwanted internet browser extensions or toolbars keep coming back
• your browser start page has changed without your permission
• speed test good but internet slow
• your machine is no stable leading to crashes

How to remove MarketService from Mac

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Not all unwanted software such as MarketService adware is easily uninstallable. You might see popups, deals, text links, in-text ads, banners and other type of advertisements in the Mozilla Firefox, Google Chrome and Safari and might not be able to figure out the program responsible for this activity. The reason for this is that many undesired programs neither appear in the Finder. Therefore in order to fully delete MarketService , you need to execute the steps below. Certain of the steps below will require you to close this webpage. So, please read the steps carefully, after that bookmark it or open it on your smartphone for later reference.

To remove MarketService, perform the following steps:

Remove unwanted profiles on Mac device

MarketService can make changes to the Mac system such as malicious changes to browser settings, and the addition of malicious system profiles. You need to check the system preferences, find and remove malicious profiles and ensure your settings are as you expect.

Click Apple menu ( ) > System Preferences.

In System Preferences, select Profiles. if there is no Profiles in the list of preferences, that means there are no profiles installed on the Mac. If there is Profiles in the list, then click on it, then select a profile related to MarketService.

To delete a malicious profile, click on the minus button ( – ) located at the bottom-left of the Profiles screen.

Check the list of installed applications

It is of primary importance to identify and remove PUPs, adware software and browser hijackers through ‘Applications’ section of your Finder.

1. Open the Finder.
2. Click “Applications”.
3. It will show a list of all software installed on the Apple Mac.
4. Scroll through the all list, and uninstall dubious and unknown software. Pay maximum attention to the program you installed last.
5. Drag the dubious program from the Applications folder to the Trash.
6. Empty Trash.

Remove MarketService related files and folders

Now you need to try to find MarketService related files and folders, and then delete them manually. You need to look for these files in certain directories. To quickly open them, we recommend using the “Go to Folder…” command.

Click on the Finder icon. From the menu bar, select Go and click “Go to Folder…”. As a result, a small window opens that allows you to quickly open a specific directory.

Check for MarketService generated files in the /Library/LaunchAgents folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchAgents

This will open the contents of the “/Library/LaunchAgents” folder. Look carefully at it and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files: search.plist, com.machelper.plist, MarketService.plist, installapp.plist and macsearch.plist. Most often, browser hijackers, adware and PUPs create several files with similar names.

Check for MarketService generated files in the /Library/Application Support folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/Application Support

This will open the contents of the “Application Support” folder. Look carefully at its contents, pay special attention to recently added/changed folder. Move all suspicious folders to the Trash.

Check for MarketService generated files in the “~/Library/LaunchAgents” folder

In the “Go to Folder…” window, type the following text and press Go:
~/Library/LaunchAgents

Proceed in the same way as with the “/Library/LaunchAgents” and “/Library/Application Support” folders. Look for suspicious and recently added files. Move all suspicious files to the Trash.

Check for MarketService generated files in the /Library/LaunchDaemons folder

In the “Go to Folder…” window, type the following text and press Go:
/Library/LaunchDaemons

Carefully browse the entire list of files and pay special attention to recently created files, as well as files that have a suspicious name. Move all suspicious files to the Trash. A few examples of files to be deleted: com.macsearch.plist, com.search.plist, com.MarketService.plist, com.installapp.plist and com.machelper.plist. In most cases, PUPs, adware and browser hijackers create several files with similar names.

Scan your Mac with MalwareBytes

You can delete MarketService related files automatically with a help of MalwareBytes Anti Malware. We advise this free malicious software removal tool because it can easily delete browser hijackers, adware, toolbars and PUPs with all their components such as files, folders and system entries.

Download MalwareBytes by clicking on the following link.

When downloading is done, run it and follow the prompts. Press the “Scan” button to perform a system scan with this tool for the MarketService . This procedure can take some time, so please be patient. When a threat is detected, the number of the security threats will change accordingly. Wait until the the scanning is done. When you are ready, click the “Quarantine” button.

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The MalwareBytes Anti-Malware is a free program that you can use to get rid of all detected folders, files, malicious services and so on.

Remove MarketService from Safari, Chrome, Firefox

Annoying MarketService adware software or other symptoms of adware in your browser is a good reason to find and get rid of harmful extensions. This is an easy method to recover browsers settings and not lose any important information.

How to stay safe online

The AdGuard is a very good ad blocking application for the Mozilla Firefox, Chrome and Safari, with active user support. It does a great job by removing certain types of undesired advertisements, popunders, pop ups, annoying newtabs, and even full page ads and web page overlay layers. Of course, the AdGuard can stop harmful web sites automatically or by using a custom filter rule.

Please go to the following link to download the latest version of AdGuard for Mac.

Once the downloading process is done, run the downloaded file. The “Setup Wizard” window will show up on the computer screen.

Follow the prompts. AdGuard will then be installed. A window will show up asking you to confirm that you want to see a quick guide. Press “Skip” button to close the window and use the default settings, or press “Get Started” to see an quick guidance that will help you get to know AdGuard better.

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Each time, when you launch your MAC, AdGuard will start automatically and stop annoying ads, block malicious and misleading webpages.

To sum up

Now your computer should be clean of the MarketService adware. We suggest that you keep AdGuard (to help you block unwanted ads and unwanted malicious web-pages) and MalwareBytes Anti-Malware (to periodically scan your MAC for new adwares and other malware).

If you are still having problems while trying to remove MarketService ads from the Google Chrome, Mozilla Firefox and Safari, then ask for help here here.