I can't play anymore the version 1.8-1.8.9

Put the summary of the bug you're having here

What I expected to happen was...:
I have a problem. I get the new minecraft launcher today and i can't play anymore the version 1.8 but i can play each other version. Can anyone help me?

What actually happened was...:
I have a problem. I get the new minecraft launcher today and i can't play anymore the version 1.8 but i can ply each other version. Can anyone help me?

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