How to create localhost database using mysql?
Consider using the MySQL Installer for Windows as it installs and updates the various MySQL products on your system, including MySQL Server, MySQL Workbench, and MySQL Notifier. The Notifier monitors your MySQL instances so you'll know if MySQL is running, and it can also be used to start/stop MySQL.
removing temp files, and did you restart the computer or stop the MySQL service? That's the error message you get when there isn't a MySQL server running.