please unreal engine 4.14.1 Is not opening the launcher / editor

My UE4 already installed and I did everything but when I press start the laucher does not open it says busy and does not open please help me ‘-’

Hey S.F.A.L.W,

In order for us to offer the best support, we have recently modified the process for how Epic Games can help troubleshoot your Launcher issue. Please visit http://help.epicgames.com/ for technical support, here you can find information and solutions for common issues, as well as a contact form if you still need additional assistance. To access the contact form, please use the “Email Us” button under the “Contact Us” section.

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