How to fix Application not installed errors on Android without rooting

winnercoz September 03, 2017

As an android user have you tried to download some important information or application to your phone and after downloading it you try to install it it will now show you this annoying word APPLICATION NOT INSTALLED ERROR

sometimes this errors can be caused by you turning off your unknown source. So all you need to do is to go to your settings and see How to Enable Installation of Apps from unknown source on Android

In this article, we shall look into the possible causes of this issue as well as the possible solution to them all. Kindly read on.

>> READ ALSO : How to Remove Ads from Android Home Screen

Possible/Common causes of Application not Installed error

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

read also:how to remove ads from android apps (root) 2017

>> Corrupted app or apk file: This is most common with apps downloaded from outside Google Play Store. The app is either corrupted or incompletely downloaded or copied as the case maybe.

>> 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. Trying do otherwise with the former can bring up this errors.

>> 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.

>> 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.

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

Possible Solutions of Application not Installed error

>> Reboot the phone: In times like this, first thing to do is to reboot your device. Or just shut down, remove and reinsert your battery if it's a removable battery.

>> 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.

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

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

>> Change app installation location to Automa

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