Firstly, go to the Uninstall a program accessible from the Control Panel. Double click the program in the list and choose Remove/Uninstall then let it remove itself.
If you encounter any errors during the uninstall phase of Bangle Software , try using Try using Revo Uninstaller. Even if it can't uninstall the application normally, it will force it to uninstall by wiping out all traces of its presence from the system.