unfortunately (item) has, stopped. .. please help with this

[Dat dude dp]

My phone has been doing that lately but it's not just one app it's different things. It will say unfortunately game of thrones acent has stoped, or plug in has, stopped or weather has, stoped. IS this a virus? What, should I do?

 

[sleeco]

Hi, try a soft reset on your phone, and clean the memory

 

[Dat dude dp]

How do I do that I'm new to androids and ty by the way