Answer by  
                                                                                          fquevedo (7)
                                                            
                          
                          
                                                          You can uninstall Oracle by doing the following steps. Got to Start Menu, Control Panel, Programs and click on Uninstall a program, locate Oracle and press the uninstall button.  Sometimes you need to wait a little depending on your computer resources, reboot your computer and Oracle will be successfully uninstalled from your system.