I log into Minecraft but when I click Play, it comes up Crash report.

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*What I expected to happen was to play Minecraft as this computer was just fixed.
Describe what you thought should happen here

*What actually happened was when I clicked Play, a crash report occured.
Describe what happened here

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...