[SOLVED]Android-Unfotunately App has stopped Problem {Camera,Gallery,Music and Other APPS}

Almost all the Android users might have faced an error in their mobile devices.The error is the termination of inbuilt apps like Gallery,music,etc. or the other third party apps installed from the play store which makes the device awful.

The error will be as a popup showing "Unfortunately (Camera,Gallery,Music and Other APP) APP Has Stopped Working". This problem may occur with inbuilt apps like gmail,maps,etc. and also with play store apps.This problem is experienced in almost all the versions of android.

Solving Unfortunately App has stopped Problem

Step 1:Clearing Cache and App Data 

•  Go to settings->Application Manager/Apps->choose all.
•  Select the app.
•  Select clear data and clear cache(if it is there).
•   Restart mobile and run the app.

 
Step 2:Delete Update
 In some cases,the problem may arise due to unsupported update.This feature is available only on some apps.
You can check about this here.

Check: Best way to save battery and reduce heat on Android mobiles

Step 3: Update
 Sometimes the problem may be due to a bug in the app and these are solved in the late versions by the provider and is listed in change log in play store. So,keep your apps updated with the latest release.

Step 4:Factory Reset
  If the problem prevails and if a lot of app is getting this error then try resetting your device to factory settings.

Note:Factory Reset will delete all your data,so ensure that you have a backup.

•   Go to Settings->Backup and Reset.
•   Select Factory Reset.

Solving Unfortunately Camera has stopped Problem

 All the other problems are related to software issues but the halt of camera app can be a result of either Hardware or Software issues.

• First,we have to make sure if it is a hardware or software problem.If the error happens while opening the camera app,Check the camera by using other apps like Youcam or you can use whatsapp to check if the camera is working fine.
• If you open the camera app and the error happens,if you open front camera,then there may be a hardware issue with the front camera.
• If the camera app opens and error happens while snapping,then it may be a software issue.

Hardware issue can be solved only by checking the camera but if it is a software issue,it can be solved by the following the above procedure in this post

Solving Unfortunately Music has stopped Problem

 The Music app may vary among different manufacturers like the Sony has Walkman for music.The music app may get this error due to various reasons:
 1.Error in Playlist.
 2.Unsupported formats.
 3.Missing File.

Check:Unfortunately App stopped problem for Xperia apps and devices

Clear the playlist and the play queue and then check if the app is working.

 The Unfortunately app stopped is an annoying problem and may occur in any android version including Lollipop,Marshmallow,Nougat and in the earlier versions.