Could not execute menu item (internal error)[Exception] - When changing PHP version from 5.3.1 to 5.2.9

Question

I have installed two PHP versions in my WAMP server. When I am using 5.3.10, my wamp server is running just fine. But when I switch to older version of PHP (5.2.9) my wamp s

Answer 1

The problem was the MySQL56 service was running and it has occupied the port of WAMP MySQL.After MySQL56 service stopped the WAMP server started successfully.