mysql - no connection established or unable to connect to local host 

Method-I
Step -1 Windows + R = Enter Services.msc
Step-2 : Click on Properties
Step-3 : Go to Log on
Step-4 : Choose Log on Check mark Local Service Option too or
Step-5 : Click on Apply and Ok
Step-6 : Start your mysql services
Issue Resloved Start your mysql server..
Method-II
Step-1 : Choose This Account Click on Browse
Step-2 : Click on Advance and Click on Find Now
Step -3: it will choose your Admin Account click on Ok
Step-4 : enter your password
Step-5 : Click on Apply and Ok
Step-6 : Start your mysql services
Issue Resloved Start your mysql server..