Minecraft closes once opened for a few seconds.

Invisible blocks, players, and mobs

Invisible players, chests, mobs, and blocks

minecraft keeps crashing

Not able to launch minecraft

I logged on one day and everything i had in my chests and inventory was simply deleted

I had a lot of items stored in chests and one day when i logged back onto minecraft everything was just gone from the chests and my inventory.

Minecraft Crashing