Fix App Not Installed or Application Not Installed Error

Are you facing the App not installed or Application not installed error? Can't use the app even after you re-install it?

Actually, App not installed is a kind of common error that many Android users have ever encountered before. This error often occurs when you download an app from Google Play Store or other sources, install a signed .apk, update Android Marshmallow or make a dirty upgrade and so on.

App Not Installed

This post will show you effective solutions to get rid of this annoying "App not installed" pop-up. What's more, if you want to know more about the causes of App not installed error, we will also talk about them on the second part.

Part 1: How to fix "App not installed" error [8 best solutions]

Various reasons will cause the "App not installed" or "Application not installed" error, especially when you want to install a new app from an unknown source. The good thing is, many methods will help you fix it. You can try the following solutions one by one until you get rid of it.

Reboot Android phone to fix app not installed error

Rebooting is always a good way to solve various issues on Android device, iOS device and computers. This process will free up the phone's random access memory and get your Android phone back to normal condition.

Remove old app version

If you doesn't upgrade or install app from Google Store, the original app may keep any conflict with the new installed app. In that case, you need to uninstall the old version first.

Check and update Android version

Sometimes, the app not installed error is due to the incompatible Android version. You can check if there is an available version for you to upgrade.

Update Android Version

Manage and free up Android storage space

Enough Android space will guarantee app is installed or worked normally. Here you can check the app installed location and storage. Make sure there are enough space. Check this post to clear storage space on Android.

Change or format SD card to fix application not installed

You are suggested to format SD card if the app cannot installed on it. Or you can remove the SD card and then insert it again. After that, you can try installing the app again to see if the App not installed error will pop up.

Format SD Card

Check the APK file

You need to check again if the .apk file is downloaded completely. Sometimes, the APK file may be corrupted or not copied fully.

Reset Android phone to factory settings

Resetting Android to factory settings will wipe everything on Android device and bring it to brand new condition. You click open "Settings" app on Android phone and then tap "Backup and Reset" > "Factory data reset" option. Know more about how to perform Samsung factory reset.

Reset Android Phone to Factory Settings

Professional way to fix app not installed

You can use the methods above to try fixing app not installed error. What if you still get the application not installed prompt? In that case, you can rely on this professional solution. Here we sincerely recommend the powerful Broken Android Data Extraction to help you get rid of this error.

Broken Android Data Extraction

4,000,000+ Downloads

Fix App not installed or Application not installed on Android phone.

Fix Samsung Galaxy frozen, crashed, locked, black screen, etc. to normal condition.

Extract contacts, messages, photos, call logs, etc. from disabled phone.

Fix Samsung Galaxy phone even if you forgot phone passcode.

Step 1: Free download, install and run this Android app not installed error fixing software on your computer. Connect your Android phone to it with USB cable. Choose "Broken Android Data Extraction" option on the left. Then click "Start" button to begin fix application not installed issue.

Run Android System Recovery

Step 2: Click "Fix Device" and choose specific Android problem you are facing. Various issues can be easily fixed by this tool. Here you can select "Others" and the click on "Next".

Fix Device

Step 3: Select device name and model of your Android phone. Then click the "Confirm" to move to the next operation. One thing you should know is that, this software now can only fix app not installed error on Samsung devices.


Step 4: Follow the on-screen instructions to put your Android phone into Download mode.

Enter Download Mode

Step 5: It will automatically download recovery package and fix app not installed issue after entering the Download mode. After that, the application not installed error will no longer bother you.

Fix App Not Installed

Part 2: Some reasons may cause App not installed error

With the 8 effective methods above, you can easily fix Application not installed issue. If you want to know more about why this error occur, you can check this part. This part will list some common causes of App not installed error on Android phone.

App Not Installed Error

Corrupted APK file

Corrupted apk file is one of the major causes of the App not installed problem. Sometimes, incompletely downloaded .apk file will easily read this error. Surely your app won't be installed normally if the APK is corrupted or incomplete.

Not enough storage space

New installed app needs enough storage space to ensure it work well. When there is no enough space on your Android phone, it may pop up the app not installed error.

Low Android Version

Many apps are designed or updated to work well on the latest Android version. App not installed may due to the low Android version.

Undetected or improper SD Card

Many Android users like to install new apps on the external SD card to make sure there is enough memory space. But undetected or improperly mounted SD card will easily cause the application not installed. Here you may also want to know how to repair damaged/corrupted SD card without formatting.


We mainly talked about the App not installed error in this page. 8 effective solutions are offered to help you get rid of this annoying pop-up. We also list some causes of this application not installed issue at the second part to help you better know it. Leave us a message in the comment if you want to know more.

More Reading