Error No. 2003: Can't connect to MySQL server on 'localhost' (or some other host)
simply means that connection is not possible for one of the following (or similar) reasons:
There is no MySQL server running at the specified host
Connection to the MySQL server is not allowed using TCP-IP. Check the 'skip-networking' setting in the MySQL configuration file (my.ini on Windows, my.cnf on Unix/Linux). It shall be commented out like '#skip-networking'. If it is not commented out, then do it and restart the MySQL server for the change to take effect.
Some networking issue prevents connection. It could be a network malconfiguration or a firewall issue. You need to allow the service mysql on windows firewall/ after you install wamp, restart ur pc. and start wamp
windows will ask is msqlnt.exe allowed to run and accept it
then its fine.
If it doesn't work then:
Try turning off the windows firewall - if that fixes the problem, then turn it back on, and allow access to TCP/3306(default port)
- When trying to connect to a MySQL server at an ISP this error message often indicates that direct connection to MySQL has been blocked. You must then use HTTP-tunneling or SSH-tunneling to connect.