Stop both Apache and MySQL in the XAMPP Control Panel.

See the section, "Using the XAMPP Control Panel," earlier in this chapter.

If you don't stop Apache and MySQL before you uninstall XAMPP, you might encounter difficulties when you reinstall XAMPP. This is especially true if you started Apache and MySQL as services.

Start the uninstall by choosing StartAll ProgramsApache FriendsXAMPPUninstall.

The first screen of the uninstall procedure opens.

Move through the screens and answer the questions.

Click the Next button to move through the screens; answer the questions by selecting the appropriate options.

You can save any databases or Web pages you have created by clicking the appropriate options.

A message is displayed when XAMPP is completely uninstalled.

Start the installation procedure again from the beginning.

See the earlier section, "Installing XAMPP," for details.