I can't launch Minecraft

I can't launch Minecraft and I'm very sad ;( I hope that don't take too long... Please Mojang, give me solution !

Thank you for your report!
However, this issue has been closed as a Duplicate.

It has been linked to this report. If you have additional information, please add it to the duplicated report.
Please search before reporting, as it's likely that one exists already.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki