Can't connect to MySQL server on 'localhost' (10061)

This error message indicates that the program or application is unable to establish a connection with the MySQL database server running on the local machine. There could be several reasons for this error, such as:

1. MySQL server is not running: Make sure that the MySQL server is up and running on the local machine. You can check the status of the server by using the command "services.msc" in the Run dialog box.

2. Incorrect login credentials: Check that you have entered the correct username and password for the MySQL server.

3. Firewall settings: Ensure that the firewall settings are not blocking the connection to the MySQL server.

4. Port number: Verify that the port number used by the MySQL server is correct. The default port number for MySQL is 3306.

5. Permissions: Check that the user account trying to connect to the MySQL server has the necessary permissions to access the database.

To resolve this error, you need to identify the root cause and take appropriate measures to correct it.