Since TubeMate is too popular, there are so many rip-offs out there trying to take advantage of vulnerable netizens.Īlso, several apps won’t work if installed on external storage. This is why you need to make sure you download only from the official TubeMate website or the recommended third-party websites like APK Mirror,, Uptodown, and Android Freeware. One other major reason could be that the app you downloaded is corrupt. So, in order to fix the issue, you might wanna make sure there is enough storage on your phone or SD card – depending upon the storage settings on your device. The most common reason for this error is insufficient storage. The following are the reasons why this popup could be appearing: Why is installing TubeMate stuck at ‘App not installed’ error? In fact, it is one of the very common errors in Android that could be happening due to a variety of reasons, although it is a very easy one to fix. The said error notification is not new to Android devices. And now, there is a new error that is making rounds - an error message that says ‘App not installed - when users are trying to install the app. It has a lot of issues ranging from slow downloads to annoying errors, which is not really uncommon when it comes to Android applications. There is no denying the fact that TubeMate is one of the best video downloaders for Android out there, but the Android app still has a long way to go. Here is how you can fix the ‘App not installed’ error that appears when you install TubeMate.

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