In order to uninstall the software, reboot your computer, press the F8 key to enter in Safe Mode, go to Start > Control Panel > Uninstall a program, select the GfK Internet-Monitor software from the list, press Uninstall, follow the on-screen instructions, and reboot the PC again. Alternatively, you can remove the software using a utility from the database of Software Informer. These tools will remove the program by wiping out all traces of its presence from the system.