WampServer

I used to have wamp 32 installed under c:\wamp, due to the need to fix the port conflict issue, I installed wamp64 today and it was installed under c:\wamp64, after the successful installation, I moved all the folder content of \www under the old wamp to under new wamp64.

All the projects are listed if I go to [localhost], however, if I click on any of the project, e.g. website1, presumably it should take me to localhost/website1, in fact, the URL in browser (I default it to Chrome) becomes website1 instead of localhost/website1, off course the site won't show up.

If I forcely type in localhost/website1, it gives me Error establishing a database connection.

How do I fix the url issue and the following database connection issue?

Thank you very much. Any clue is appreciated.

You will have to backup your old databases, and restore them to the new installation.

I assume you still have access to the old WAMPServer 32bit install. Start that, backup your databases.
Then stop the old WAMPServer 32bit and start the WAMPServer 64bit, then restore the databases.

To fix your URL issue, please read THE NEED for VIRTUAL HOSTS

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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
<MariaDB versions MULTIPLE> <phpMyAdmin versions MULTIPLE> <MySQL Workbench 8.0.23>
Read The Manuals Apache -- MySQL -- PHP -- phpMyAdmin
Get your Apache/MySQL/mariaDB/PHP ADDONs here from the WAMPServer alternate Repo
-X-X-X- Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-