Application Permission- At times, even without your knowledge there may be software applications running at the backdrop with set permissions not to allow any other third-party installation source to function which may also give the installation error message.Even a corrupted Internal Storage Card or an SD card which is not mounted properly may lead to clogged storage and thus give you the App not installed error message. Insufficient Storage- If your Android device is too full, it causes the package installer to malfunction, leading to the ‘App not Installed’ pop-up.

It is advisable to recheck files while installing and ensure not to download contained files. Corrupted Application- One of the most common reasons for ‘App not installed’ pop-ups is that of a corrupted file or it may be so that a few of the core files of the apps might have been modified.Why does ‘App not Installed’ error Occur? Read on to know more about when this issue occurs and how to fix ‘App not Installed’ in Android phone. Contrary to popular belief, this may not always be something related software or the app, it may rather have to do with the device. The ‘App not Installed’ error is a very common issue that crops up when you try installing an app from any source other than the usual Google Play Store.

apk file extension that is from a source other than the Google Play Store. However, at times you need to download some apps from an a. Android phones come handy not only by means of their easy-to-use features, but also because most applications on Android can be downloaded from the Google Play Store with just a few clicks.

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