My Galaxy S5 won't let me close my apps. why?

[AC Question]

My galaxy s5 wont let me close my apps.. why?

So i had restarted my phone because it was being weird and then out of nowhere it wont let me close my apps

 

[belodion]

Re: My galaxy s5 wont let me close my apps.. why?

Try first a Cache Partition wipe.
Tell us what that does.