How to fix ‘Application not Installed’ error on Android

Android users may have met the problem ‘Application not Installed’. We will explore the common causes and solutions to this issue.

When you caused such an issue, first is to reboot your phone and sometimes, everything is solved.

Common causes:

1.       Insufficient storage space: Your storage space may have filled up with no more space to accommodate new apps.

Solution: Make sure to uninstall any apps you don’t use to free up space, also uninstall previous versions of the same app currently installed on your device.

2.       Corrupted app or apk file: The app is either corrupted or incompletely downloaded.

Solution: Double check the apk files you download and be sure they were completely copied or downloaded.

3.       Incorrect app install location: Some apps are meant to be only installed on phone memory while some others can be installed on both phone memory and SD card.

Solution: Change app installation location to Automatic or Let system decide.

4.       Installation on a mounted SD card: Maybe, your SD card is mounted on a laptop or elsewhere. Trying to install anything in this state will result in errors because the SD card is inaccessible.

Solution: Make sure your SD card is not mounted or connected to a PC or elsewhere.

5.       Corrupted storage (Phone and SD card): This is probably the most common cause of this error. If the storage of your device is corrupted, any app installation will be impossible.

APKPure provides you with signature verification and you can upload your apk file to test.

6.       Apk signature/certificate clash: Installing another version of an app (with a different signed certificate) on the same device will probably result in this error. Installing an unsigned app could also result in this error.

7.       App permission errors or temporary OS glitches could also bring about this error.

Solution: Try resetting app permissions by going to Settings >Apps>All>Menu key >Reset application permissions or Reset app preferences.

For worst case scenarios, format your SD card – copy it’s contents somewhere else for backup and format.

The last solution would be to totally wipe your device. Either by doing a factory reset under Settings or by doing a full wipe in recovery mode.