A large number of answers involve removing access controls that are intended to prevent remote users from using the included management pages to reconfigure your server, which could be dangerous if your server is exposed to untrusted networks such as the Internet and if you haven't removed those management pages.

There are multiple pages in the Wampserver's documentation and forum that suggest you should be setting up new virtual hosts for your web applications instead:

Consider using the built-in tools to set up a new virtual host for your server's IP/hostname/FQDN, and those virtual hosts can have more permissive access controls.