Android application is not installed error

android application is not installed error

This is probably the most common reason why users face the App not installed error. It's because the downloaded apk file is corrupt on its own. Method 1: Using Airplane Mode · On your main screen of the phone, scroll down the status bar of the phone · Select the “Airplane Mode”, and press “Turn ON”. The error message "Application not installed" on Android usually appears after installing an application with the.APK extension to from a source other than.

Android application is not installed error - apologise, but

Mobile phones have indeed become an integral part of our lives. We use them every day, to be precise, every minute. Most mobile phones have android as their system because iOS devices like Apple mobile phones are much costlier. So, Android mobiles are widely available and can be found in every household. 

Now, in mobiles, what we use are Applications, in short Apps, and on Android devices, we install these Apps most probably from the Google play store. But, sometimes, our phones show an error mentioning “App not installed.” 

What causes this “App not Installed” error?

Many people experience this problem showing them “App not installed” error. Application not installed error usually shows up when you try to download and install an App with a “.apk file extension” from sites other than the google play store.

This is an unknown error code that might pop up during application installation. It is to be kept in mind that this is neither a software problem nor a hardware issue. Sometimes, your actions can cause this Android App not installed error. Sometimes, the app you are trying to install may have corrupted files. The problem can also be caused due to insufficient space in your device, or there might be any settings issue like the location of the App or allowing App installation meaning App permissions. Also, when the application-related files are downloaded from any website that is not legit, then the downloaded file gets corrupted and shows you this alert. Sometimes,  enabling “Don’t Allow Third-Party App Permission” may also cause blocking of the application you are trying to install.

Now, let us look at how this “application not installed” problem can be addressed in your device. 

Solving the issue.

The reasons mentioned above might cause this message to show “App not installed” in your device. To solve this, you have to look into your device and try to follow the methods to address the issue.  

Check your phone storage.

One of the reasons causing this problem of “App not installed” is your filled-up phone storage. You will get this alert when you can not download any more files. So, make sure that your phone has a good memory and space to allow you to install the application. 

If your matter has filled your phone’s internal memory, but you want to install the application, you can use an external memory also. An external memory includes the SD card that will act as an additional storage house and can help you install your application easily.

You can do certain things to solve this problem:

To make this happen,  remove some applications that you don’t use frequently. You can do so by using the below-mentioned steps. 

Step 1; Go to Settings and then open Apps. 

Step 2; Now, under Notifications, navigate to Apps.


Step 3: Then tap on the app you want to remove and hit Uninstall.Or you can also do one thing. Move large files located in your device storage to any external memory or an SD card.From your device, clear the app cache by tapping on  Phone Manager. You can use pre-installed Phone Manager, or if your device does not have any, you can also install one from the play store.

Clear Data and old Cache 

Clearing old and corrupted data or cache might create a problem, and to solve the same, you have to clear the data and old cache from your device. To do so, please follow the below-mentioned steps. 

Step 1: On your android device, open settings. 

Step 2: Now, look for the option of Apps or Manage apps and select the same. 

Step 3: Now, look for the Package Installer App under system Apps. 

Step 3: Then, tap on Clear data and Clear cache options. 

Step 4: And lastly, clear all the data and cache.


Then, restart your phone. These simple steps might help you solve your problem of showing the alert. 

Download apps from Google Play Store. 

Such an alert may also be shown to you when trying to download a corrupt file. But, this will not happen if you download the app from Google Play Store. This is because it has a lot of many apps, all trusted and are set to use. So, avoid installing apps from other sites on Google and use this authentic source. But, if you cannot find your App on Google and you want to download it from sites, you should ensure one thing. That is, Disable Google Play Protect.

To do so, follow the below mentioned path. 

Step 1: Open “Play Store” on your device.

Step 2: Click on the “Three lines” menu icon there.

Step 3: Scroll down to find the option of “Play Protect” and click on it. 

Step 4: Now, click on the “Settings icon” in the top right corner.

Step 5: Disable “Scan device for security threats” by clicking on the toggle button.

Format your SD Card

Sometimes,  the Android “app not installed” error is caused when your card is corrupted, so formatting the SD card may help. But, make sure that you have a backup of your data so that you don’t have to suffer from any data loss.

Though this is an overall process and can be done very quickly, here is a two-step process you can do for any beginner. 

Step 1: Go to Settings.

Step 2: Open Storage and click on the option of “Format SD Card.”

Granting App Permissions

The error can be combated after resetting your app permissions. So, follow the path mentioned below to do so. 

Go to Settings > Apps > Reset App Preferences/Reset Application Permissions.

By doing so, third-party software can be installed on your device.

App Location 

As a user, you should not tamper with the app’s location. So, let the app decide where it needs to be placed. The best place for any app is in the phone’s internal storage.

Mount SD Card

Sometimes, what happens is that your App’s location is in your SD, but your SD card is not accessible. SD cards can be made accessible by Mounting. You can do so by following specific steps. 

Step 1: Go to Settings and then navigate to Storage.

Step 2: On the Storage Info screen, click on the “Mount SD” option.

Step 3: Restart your device. Now try to install it. It should work.

Sign the Unsigned App

You can also address the issue of this App not being installed by a simple method of signing the unsigned app. Again, you will need an app for this. For this, follow specific steps. 

Step 1: Firstly, download ZipSigner from Google Play Store.

Step 2: Open the app. Now, locate the app dashboard.

Step 3: Then, tap on Choose input/output. Locate the apk file and tap on ‘Sign the file.’

After the completion of the process, install the signed apk.

Installation from SD Card

In many cases, it would not be possible to download an APK if you are trying to install it from an external memory due to contamination of the file. So, what you can do to avoid this situation is that you can download the APK onto your internal storage and then try installing the App. Then, your mobiles package installer will accept the files without any errors.

Allow Apps from Unknown Sources

The most common issue that does not allow the installation of an app on your android device is this problem. We do not allow apps to get downloaded on our devices from an unknown source. To ensure that this does not hinder your app management, follow the below-mentioned steps and enable downloading files from unknown sources. 

Step 1: Locate Settings on your device.

Step 2: Then, go to Security and navigate to Unknown Sources.

Step 3: Here, enable Unknown Sources and try to install your application again.

Old Version of the Application

Google play store ensures that you download the version of an application compatible with your device. But, if you download from any other site, you might end up downloading the older version of your application or the one which is not compatible with your device (like this can be CPU or GPU incompatibility). And so this may be the reason which shows you the  App not installed error. So, install an application from the Google play store or any authentic website. Make sure that the version you are downloading is the latest one.

Wrapping up

Android users have been on the rise for the last few decades. And, using Android offers you the best features at a very affordable rate. But, sometimes, this very advanced system can show some glitches and may hinder your work. For example, you might not be able to download Apps from other sites, and thus “App not installed.” error will pop up. Be sure to follow each step carefully in order to fix the app not installed error.

Many People experience the error Android App Not Installed during the installation of the android application. This error usually occurs when the user installs an app using .apk file extension from somewhere on google. This error seems confusing, it is not a hardware problem or software issues. It is an outcome of our action that we perform with our device. Our faulty actions can cause such error of not installing android application on our smart devices.

In this article, we are going to discuss some of the common cause and solutions to fix Android App not installed error.

Let’s have a look on some of the common cause for “Android App Not Installed” error.

Sometimes such common errors can also cause failure in application installation. In this topic, we will be discussing some of the common errors.

Insufficient Storage

Our Android device contains various data such as Apps, Photos, Videos, message and much more. These data are stored in the device and consume memory. The Inadequate storage left for another app leads to Android app not installed error.

Corrupted Application File

Application file downloaded from other sources rather than google play store are usually corrupted and hence cannot be installed on your smart device. Make sure you download the application from the trusted site.

Corrupt Storage

Corrupted SD Card can also cause the Android app not installed error. The unwanted and unnecessary data can clog internal storage which might contain an element that disturbs the storage location. Corrupted storage card and clogged internal storage can put a device in danger.

Storage Location

Sometimes certain app works best when stored in the device’s internal memory. While some app needs to be located on the SD Card. If you do not save the application in an appropriate location, it may cause android app not installed error on your device.

Let’s have a look on some of the solutions for “Android App Not Installed” error.

Since every problem has a solution we have a solution to these problems too. You don’t need to hire any professionals. You can get rid of these problems in easy and simple steps. Here is all you need to do.

Delete Unnecessary Application

Keeping unnecessary application in your device consume more space. Removing such unwanted application from the device allows to free up storage that helps in getting rid of such problems of application not installed in android.

Use of Google Play Store

Google Play Store is a trusted source for the Android application. Play store contains a safe application. Since google play store different types of the Android application so you don’t have to rely on any other third-party source to install an application. Make sure you always use a trusted source to avoid any errors during the installation.

Format SD Card

There is a high chance of your device SD card being corrupted due to which such problems occur. You can format your device SD card either from a device or externally.

Reboot Your Device

Restart your device to close all the operation that is running on your device. Sometimes such running operations can also cause such problems.

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An APK Android or an installable file can be obtained from external sources. When the installation has been blocked for security reasons, an error is displayed. So, you might be wondering how to fix the error "Application not installed" on Android? - Very easy

How to fix "Application not installed" error on Android? - Very easy

There are two procedures for installing apps on Android. One of them is to access Google Play and locate the application desired by the user . The other (less secure) procedure refers to finding an application from a source other than the official source.

Here is some relevant information about APK files for mobile devices and how to resolve an installation error.

What is an APK?

APK stands for Android Application Package and refers to a file that bundles an application for the Android platform in the format .apk. This file contains all the information needed for a program to work on any Android device.

How to install an application on Android outside of Google Play?

To install an app from sources other than the Play Store, you need to go to "Settings" and select the "Security" option. There you can activate the "Unknown sources", so that you can install an .APK file without any problem.

Causes of "Application not installed" error on Android

The error message "Application not installed" on Android usually appears after installing an application with the .APK extension to from a source other than the Play Store. Therefore, the error is not related to a software or hardware problem, but to user actions.

On the other hand, if you have taken the previous action, it is important that you know how check if an APK application is safe or has a virus , because there are many counterfeits that could cause problems when using your mobile.

Bad file

If you installed an app and then tried to install a variant but with a different certificate (signed or unsigned), a technical error will occur displaying the message "Application not installed".

Damaged storage

A corrupted SD card can also cause the "Application not installed" error on Android. In fact, internal storage can also cause failure if it contains unnecessary data or changes the storage location.

Stop this inconvenience, there are ways to repair a damaged micro SD card , it is better to try it before discarding memory.

The device cannot find the SD card

If your device is connected to a computer, the computer can access the SD card. Indeed, if you try to install the App on your SD card, the error "Application not installed" will be displayed because the card is in use by another device.

Authorization of the application

It is possible that the app permissions are causing the error on your system. For this reason, it is convenient that you go to "Settings", then to the "Applications" menu and select "Reset application permissions", to allow installation of applications from other sources.

Solution to the "application not installed" error on Android

If you get the "Application not installed" error on Android, it may mean that Google Play is blocking some applications with the extension .APK, because they come from outside sources. Therefore, it is recommended that you do one of the following:

Install a file explorer

An effective alternative is the installation of the manager of files ES File Explorer which you can get in the Play Store. Once you have it installed, you need to go to the System folder of that app to remove any residual files that are left over from the app that you want to reinstall.

Later you need to go to the "Data" folder and perform the same process as in "System". This way, you will erase all data related to the app that is going to be reinstalled.

If you can't find the bond, you can also consider Cx Explorer on the Play Store , which offers cleaning options similar to the aforementioned program.

Check the compatibility of the application with your device

The above options may not resolve the error. In this case, you need to check if the app is compatible with your phone and that the APK file is correct .

Like the previous one, you need to verify that the Android version of your device is the correct one. Otherwise you can update Android software to the latest version , which is recommended both for app compatibility and to improve the device

You might receive an error that contains random numbers when you download Office apps from the Google Play store. The Google Play team is aware of this problem and is working to resolve the issues. In the meantime, please see below for more information and try the workarounds suggested.

What are Google Play Store errors?

Google Play Store Errors typically contain random numbers and are generated when you try to download apps from the Google Play Store. These errors might be due to Google Play Store updates, Google cache issues, Google Play Store stored data issues, or Google account issues.

The following are some of the most common Google Play Store errors:

  • Google Play Store error code 18

  • Google Play Store error code 20

  • Google Play Store error code 103

  • Google Play Store error code 194

  • Google Play Store error code 492

  • Google Play Store error code 495

  • Google Play Store error code 505

  • Google Play Store error code 506

  • Google Play Store error code 509

  • Google Play Store error code 905

Resolve Google Play Store Errors

Try the following workarounds to fix the Google Play Store errors.

Clear the Google Play Store cache

  1. Open the Settings menu on your device.

  2. Go to Apps or Application Manager. (This option might differ depending on your device.)

  3. Scroll to All apps and then scroll down to the Google Play Store app.

  4. Open the app details and tap the Force stop button.

  5. Tap the Clear cache button.

  6. Repeat the steps above, but replace Google Play Store in step 3 with Google Play services.

  7. Try to download the app again.

    Clear Cache of Google Play Store AppClear cache  button

Clear the Google Play Store data

If cleaning the cache of the Google Play Store and Google Play Services doesn't resolve the issue, try clearing the Google Play Store data:

  1. Open the Settings menu on your device.

  2. Go to Apps or Application Manager. (This option might differ depending on your device.)

  3. Scroll to All apps and then scroll down to the Google Play Store app.

  4. Open the app details and tap the Force stop button.

  5. Tap the Clear data button.

    Clear data button

When the cache and data are cleared, the Google Play Store error should be resolved. If not, continue to the next step.

Remove your Google account and then add it again

If clearing the cache and data doesn't resolve the issue, remove your Google account, restart your device, and then add your Google account again.

  1. Open the Settings menu on your device.

  2. Under Accounts, tap the name of the account that you want to remove. If you're using a Google account, tap Google and then the account.

  3. Tap the Menu icon on the top right corner of the screen.

  4. Tap Remove account.

  5. Restart your device and add your account again. Then try to download the app.

    Google AccountRemove Account

Additional help

If these steps don't resolve the error, refer to the following:

Google APIs Intel x86 Atom# iosxcode: Not Foundcocoapods: Not Foundpython: Not Foundpython3: Not Foundruby: 3.0.2platforms: Not Found


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