To completely uninstall AB Commander, it's not enough to simply delete its program files from the installation folder. To completely remove AB Commander from your computer, follow the instructions below.
IMPORTANT: If your computer is configured for several user accounts, login into the same user account that you were logged in when you installed AB Commander. If you use Windows XP Fast User Switching, log off from all other accounts before trying to uninstall AB Commander.
Click on the Start button at the bottom of your screen, choose Programs - AB Commander - Uninstall from the menu, and follow the instructions.
Open Windows Control Panel, open the Add/Remove Programs item and use it to uninstall AB Commander.
Note that you may be prompted to restart your computer, in order to deactivate AB Commander and release the files that are currently in use by Windows, before they can be uninstalled.