Can't launch the engine after downloading

After i just finished downloading the engine everytime i click the laucnh button nothing happens
link text

link text

Btw the version 4.7.4

Hi anas_ali,

We noticed that this is a duplicate post of this question: Can't launch ue4.7.4 - Platform & Builds - Epic Developer Community Forums

We will be closing this post in order to focus the discussion in one place.