my lumia 635 won't let me delete apps that are on my internal memory and its almost completely full

[brandon smith23]

I'll try to uninstall by long pressing the apps and choosing uninstall then it says its doing what its supposedly it is doing it then it stops and the app is still there

 

[Starboy21]

Which app r u trying to uninstall..make sure u r not uninstalling something like podcasts which cannot be uninstalled(I am on 8.1 n it cannot be uninstalled)