Minecraft Keeps Crashing

Put the summary of the bug you're having here
I go onto minecraft and my game crashes

What I expected to happen was...:
log on to minecraft fine

What actually happened was...:
i go onto the launcher start up minecraft, go on a server and it crashes, it was fine before this windows update i just had to do.
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
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