1. Make sure you don't install the game launcher in the same folder as your client
2. After successfully installing the game launcher , make sure you select the path for the patching ( here select the e-global folder )
3. wait for it to finish then press play , it takes a while up to 10-20 mins depends on your rig I suppose
If you have errors etc , remove all the files , e-global client , the folder where the game launcher is installed .
Restart your PC , disable your antivirus at your own risk , Unrar the server files into a new folder , different from before.
After that make the 3 steps mentioned above.
It helped me , hope it helps you.