why is it showing me ,,com.android.systemui has stopped"?

[AC Question]

every time i press long the home key (because i wanna delete my activity on a program), it shows me this and i have to restart my 2-year-old samsung galaxy tab 3 to make it work. can someone help me?

(sorry for my bad english, it's not my native language)

 

[Javier P]

Welcome to the forums. Please, see this thread for possible fixes.

https://forums.androidcentral.com/showthread.php?t=763338