The game doesn t open

Put the summary of the bug you're having here

What I expected to happen was...:
When I reinstalled the game again I tought it worked...but it didn't 

What actually happened was...

When i press double click on the icon of minecraft ,at the mouse cursor shows up a blue circle,he is spinning for 3 seconds and then it disappears,but the game doesn t start. I ve tried to restart my pc 3 times and uninstall the game....same problem..i ve tried to fix this problem by searching it on YouTube...nothing happend...my last try was with the task manager...didn t worked. 2 days ago the game worked perfectly and now I can t open the game. What can I do to fix this problem? I have tried all the methods from YouTube but they were usefull..Please, help me. 

**