Lots of programs on my Raspberry PI freezing

New to my Raspberry PI. Noticed some movies and shows work ok, but most lately won’t load or at very slow or freeze. I use WIFI, but since some work, didn’t think this would be the issue. Could be wrong.

To get a better understanding of the problem you are experiencing we need more information from you. Please see How to submit a useful support request - General - OSMC for advice on how to help us.