Apps Internet Security Software

DiagMonAgent- Issues and Best Possible Fixes

DiagMonAgent- Samsung Issues and Best Possible Fixes
Written by twitiq

Are you playing an exciting game and realize that you can’t get to see videos in the game? Then you will see that an error is popping up which says DiagMonAgent has stopped. Now, you may wonder what it is. To know about it, check out this article.

Here, we have given complete details regarding the app, why the error pops up on the screen, is the app dangerous to phones, etc. Moreover, this guide will let you know whether your Android is secretly spying or not through this app.

Let us know how to get rid of this app and the usages of this application. And the process of uninstalling the app from your Android, and many more things. So, without wasting time, let’s dig into the article.

What is DiagMonAgent? 

We know it as the Diagnostic Monitor Agent also. This one is an internal tool that people use to diagnose such issues, affecting Samsung devices quickly. Here, we have discussed the functions of this app. Read the entire article to get depth info.

It can handle evaluating the technical specifications of the device. Moreover, it helps to streamline the diagnostic procedure for those problems that it encounters.

In case you get multiple notifications about the issues that your Phone has, this app will be beneficial for you. However, if the device becomes obsolete and un-updateable, use this app.

Samsung always offers high technology devices that are equipped with the latest features. Using this application, you will get to know instantly the issues that your device has.

Diagnostic Monitor Agent can help the user to make the most of the Samsung smartphone.

All credits go to this helpful system app. It can let you know instantly about every feature of your device. Since 1938, Samsung has been leading in the technology market. Nowadays, by upgrading the models and including advanced features, this brand is innovating new models.

Up to now, we were talking about what this app is. Now, it’s time to check out its usages. As this app’s error pops up on the screen, most users consider it a virus.

What Is Diagmonagent for?

It is very effective when you get plenty of notifications regarding device problems. Moreover, for the obsolete system, this app can be useful. 

What Does It Do? And How is It Useful?

This app helps to monitor all the running and installed apps available on the Samsung Android device. In case you can’t find this app on your Samsung mobile, download this app from the internet. You can find multiple APK files available in the market. You can choose any one of these and install the app on your device.

Main Functions of This Application: 

  1. The app enables the user to test the display with the primary color Buttons. By pressing it, you can check whether the display is working correctly or not.
  2. It comes with an option using which you can check on the receiver of the Android. Here, you have to speak something first that will come back to you. Thus, it helps to confirm working and transmission at the receiver’s end.
  3. The app offers a vibration test.
  4. If you have the latest Samsung device model, this app can help you check the sensors. For example, using it, you can test the Fingerprint sensor, acceleration sensor, camera sensor, etc.

Method of Solving ‘DiagMonAgent Has Stopped’ Error:

Always keep in mind that it is a pre-installed application. Therefore, when you fix it, you have to either reset your Phone or uninstall the app.

Fix 1: Here, we have given the method of phone resetting to eliminate such error messages.

At first, what you need to do is to switch off the android phone.

Then, you need to long-press the Power button and the volume up key at a time.

As soon as you get to see the Android logo is appearing on the screen, you need to release the buttons.

You can get to see multiple items in the list on the screen. For example, you will get to see the Reboot system, Reboot to

bootloader, and more options.

You need to select the “Wipe Data or Factory Reset” option available in

this menu. Use the volume keys in this case. You can use the Power key to continue the procedure.

After that, you have to choose the Yes option for continuing the process. As soon as you do this, the Samsung Android will start resetting. When the process is done, select the “Reboot System Now” option.

We hope this method will solve your problem.

Soft Reset

Even after following this hard reset process, the problem doesn’t solve, then try a soft reset along with the previously described method. In this case, you don’t need to wipe off all the data of the Android. What you only need to do is resetting the setting.

Uninstall the App

Are you facing this issue again and again? Then, we will recommend you uninstall the application. It is already told that this is an in-built application. When you buy the android phone, this app remains installed. That’s why it is not so easy to uninstall this app. Instead of uninstalling, you can make the app disabled. Thus, you can prevent the app from interfering with other applications. Therefore, you can get rid of this issue. It is because; uninstalling an in-built application can leave you to root your phone and other stuff.

How to Remove It?

Uninstalling or removing the app can help the user to solve the error message problem. But how can you do this? Here, we have given the procedure in detail. Usually, whenever you attempt to uninstall this app, you will get a prompt message. You can’t uninstall the app directly due to its in-built feature. Follow the steps if you want to disable the app.


  • First of all, you need to go to the android settings.
  • After that, your job is to go to the System app. Then, you need to open it.
  • Next, what you have to do is to scroll down the page to find the app. You need to look for the application in your list of applications.
  • Now, your job is to click on the Diagnostic Monitor Agent app to open the app settings.
  • After going to that option, you can see the storage options. Go to the option and then click on the force stop button.

When you complete this process, the app will stop running. As a result, you will not get the “Diagmonagent has stopped” error message anymore.

Another Method of Uninstalling the App 

But the app will remain within your phone. It means that you can’t uninstall this app entirely. Here, you can follow another process to uninstall this application.

Before following this method, you should know that the process includes third-party applications. For example, you may need to use the app named Package Disabler Pro. Now, you may wonder what the Package Disabler Pro is and how it works. Samsung androids come with plenty of pre-installed apps. This third-party application is beneficial for the Samsung user as it helps to disable or uninstall these applications from Android.

Is it Safe to Uninstall This App?

You have already come to know that this one is a built-in application. So, it is recommended that you don’t remove it until you face any issue with this app. Remember, this app has plenty of valuable functions. These functions help to keep your android device safe. Therefore, before uninstalling it, think a little bit.

But in case you think that you need to uninstall the app, then go forward. However, you can clear the cache or the Data of this app. To do this, first, you need to go to the device settings. After that, your job is to track the application in specific. When you have done it, go inside it. Then clear the cache memory. 

App Permissions  

The app usually monitors most of the activities that are related to the Samsung android device. If you want to know about any application’s access permission, you need to go to the settings first. After that, you need to go to the app features. You get to see there the permissions button. As soon as you click on the permissions button, you can find that the application is accessing. Here, you will find the need for the Diagnostic Monitor Agent on the Phone.

Diagmonagent is Spying?  

The app’s primary purpose is to monitor your activities on the device and warn the user when detecting any device issue. Therefore you can’t say that the device is spying on you.

A few users think that it is a virus, and using this virus, someone is spying on them. It is a safe application and not a virus.

If you belong to such users’ category, then we want to inform you that you are safe and nobody is spying on you.

The app accesses the files only for your android device’s safety purposes. Therefore, it doesn’t mean that your android device has a virus or any other external spying.

A few people think that the app is a virus. But in reality, it is not. Many users get notification error issues when they update the android system or download a different app.

Here, we have given a process to download the app on the PC while running any operating system. 

Diagnostic Monitor Agent on PC (Windows / MAC) 

First of all, your job is to download the android emulator. Then, install it.

After that, you have to open the installed emulator. Then, you need to open Google Play Store inside it.

Next, you need to look for the “DiagMonAgent” app in the Play Store.

Then, you have to install it. After that, go to the app drawer.

Now, you have to tap on the Diagonagent app icon to open it. Then, you can follow the instructions available on the screen for running the app.

If you want, you can download the apk file and install it using APK in the BlueStacks Android emulator. However, you can use another emulator also for installing the app on the PC.

Frequently Asked Questions:  

  • What is DiagMonAgent Samsung?

This one is mainly bloatware in Samsung Android devices. You can use the software for the diagnostic monitoring of your device. However, you may feel annoyed due to getting “DiagMonAgent has stopped” errors in the devices.

  • How do you fix it when Diagnostic Monitor Agent gets stopped?

You can follow the hard reset process, soft reset process, or any third-party application to fix the problem.


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