S4 Lock Screen Issues

[Alexis Starling]

Hello. My s4 returns to the locked screen every time I hold down the home button (which usually shows all open applications). An error appears before it goes to locked screen.

I have completed 2 factory resets. For the first minute or two the reset was completed this corrected the issue, however it has not corrected this.

Can anyone help me correct this?

 

[Scott Knowles]

My wife and I have the same issue. "unfortunately, the process com.android.systemui has stopped". Then it goes back to the main menu,