Takes to long to initiate Minecraft and crashes in any moment (mostly on the shop or after 3 or more hours playing)

Slow start up and crashes

Steps to Reproduce:

1. Start the game and Is goin to take like two or four minutes to run.

2.Play 3 or more hours or scroll down the store.

3.Crash

Observed Results:
Crashes and slowdonws.

Expected Results:

Crash and slowdown

 

Notes: