This is quite common problem and I found a lot of tutorials to help me solve it, although, there is one additional problem with my case...
This is my config settings
go to control panel > administrative tool> service >
control panel > administrative tool> service >
then you will find a list of items , navigate to MYSQL
MYSQL
right click on its properties , in general tab start type make it automatic
properties
general tab
make it automatic
then apply / save
apply / save
and finally restart all services in wamp
restart all services in wamp