lzgames

I never did it in windows, but my guess is uhhh......
Hercules-14 requires VisualStudio 2014 ????????????
you are trying to open it in VS 2010
 
Hercules ships with solution and project files for Visual Studio from 2012 onwards.
source :  http://herc.ws/wiki/Compiling
 

Well, the message is pretty clear, 
Access denied to user root 
- Review your MySQL server's root password 
- Review your sql_connection.conf
https://github.com/HerculesWS/Hercules/blob/master/conf/global/sql_connection.conf
 
UPD: No need to duplicate / quote to different categories on the forum, this behavior might get you into trouble...