If the system of the user is upgraded to the newest version of Windows, then the user may face the difficulty. More specifically, if the user upgrades the version from Windows 7 or basic version to Windows 10. Also, if the Dell Support Center or My Dell programs aren't upgraded to Dell Support Assistant, then at that point the appliance might not start or could also be uninstalled by Windows during the upgrade procedure. Accurate solution For Dell Support Assist Not Working Issue. There is very less solution available for the actual issue. Have a glance at the essential methods to resolve the difficulty. Solution: 1- Uninstall The Dell Support Center Solution: 2- Delete Cache Files Solution: 3- Try A System Restore Solution: 4- Update Windows Again