Error in my gears account

About 2 months ago I began to present a problem which was that it took too long to load the home screen and likewise at the end of a game I got out and told me error, I’m really tired of this and today start a game and just loading the players’ names I get out and they gave me a penalty, I do not know if it’s normal but I have not done anything in gears and this is really tiring me