How to improve my loading?

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1

What should I do to improve the loading in plexconnect?

2

What's wrong with "the loading"?

3

Hello Baa how are you?

I got two problems: 
1 - The movies are too slow loads, catch at times. 
2 - When advancing the movies sometimes the load lock and loses sync the subtitle.
 
I'm sorry for english
4

I need help.