Solution to Installation Unsuccessful Error on Android

For all kinds of reasons, we may get a pop up error info by saying that "Installation unsuccessful" on your Android phone or tablet. This will trouble you so much. The method of solving Android apps installation failure when you installing apps from Google Play is very easy. What you need to do is to follow the steps below:

Solution 1: Clear Google Play Store Data and Cache

Head to "Settings" > "Applications" > "Manage Applications". Find the Google Play Store app from the list and hit on "Clear data" and "Clear cache".



Solution 2: Uninstall Google Play Store Updates

Uninstall Google Play Store Updates with following steps: "Settings" > "Applications" > "Manage applications" > find Google Play Store > select "Uninstall updates".



Solution 3: Uninstall and reinstall app

If you still get the prompt that the installation fails after clearing Google Play data/cache and uninstalling Google Play update, please uninstall the app and reinstall it: Go to "Settings" > "Applications" > "Manage Applications". Then, locate the app that fails to be installed. And choose "Uninstall" to remove the app. After that, open Google Play Store to reinstall the app.

Solution 4: Unmount SD card
If that still doesn't help, go to "Settings" > "SD card and Phone Storage" > "Unmount SD card".




Note: If you are afraid that the data on your SD card will get lost or corrupted while unmounting SD card, you canback up Android data with simple steps before that.

Solution 5: Delete .android_secure folder

If your Android has been rooted, you will find an ".android_secure" folder in the SD card. You should be aware that any corrupted data in this folder will lead to installation failure on Android phone/tablet. To solve this, you just need to delete the folder.

Even if we have no ideas about the reason of appearing installation error, we can try different solutions provided above. Please contact us if any questions you have when installing.