Freezing pc mouse can only move

Just playing the game as normal and all of a sudden about 3-4 hours in the game and my pc suddenly freeze up causing my controller to disconnect and my mouse can move i can open task manager via key commands but i don't know whats causing the sudden freeze up ive checked all my hardware and drivers nothing is broken and the only game its happening on is Minecraft bedrock edition i dont know if its the game or relms but so far i dont know whats causing such a crash no one else seems to have an issue (being they are on xbox)(my video file is too large)