1. After installing Wamp and booting, the icon is red:
2. Start the service (left-click on the icon for the status bar):
3. After the boot icon turns orange, move the mouse up, prompting two services to only start a successful one:
4. On the icon, right-click Tools, Test port 80:
5. The following results are obtained:
6. It is found that the system service with PID 4 occupies the port, and the end process of open Task Manager does not end:
7. At this point, it is critical to know what the "System" service is. It is useless to manually start the service to the Control Panel, and the following error appears:
8. After many painful searches, it was inadvertently discovered that SQL Server Reporting Services (MSSQLSERVER) occupied 80 ports:
9. Stop the service, open the Wampapache service, start the success, the icon turns green, normal operation:
The above describes the PHP Wamp server Wampapache startup encountered 80 port by the system occupation of the solution, including the aspects of the content, I hope that the PHP tutorial interested in a friend helpful.