In order to uninstall Dell DataSafe Local Backup from your computer, navigate to Start > Control Panel > Uninstall a program, select the software from the list, click Uninstall and reboot your computer after the process is complete.
If you have problems, try uninstalling the software using a utility from Software Informer database. After that, run a registry cleaner to make sure that there are no leftover registry keys in your system.