
Press enter to execute the net start spooler command and as soon as you see the The Print Spooler service is starting. Click on the Command Prompt window and hover your cursor over the "Yes" button of the delete driver package window. In the elevated Command Prompt, type but don't run net start spooler. In the elevated Command Prompt, run net stop spooler. Are you sure you want to delete %driverName%?" window open. Select "Remove driver and driver package" but leave the "Deleting this printer driver package will remove it from the system. Select the driver you wish to uninstall.
In the elevated Command Prompt, run printui /s /t2 to open Print Server Properties on the Driver tab in elevated mode. Under "Programs", right-click on "Command Prompt", click "Run as administrator", and accept the UAC prompt. The only consistent way that I've been able to delete both the driver AND package is to: Last but not least, check other computers on your home network to see if any of those map to the old printer, and remove these mappings.
If necessary, check the "Ports" tab and remove any TCP/IP ports that are associated with the old printer.
Go back into the printui utility (you might need to restart it using same method as above) and try removing printers again. Go back to services.msc and Restart the Print Spooler service. DELETE the contents of the folder you opened in step 6. Open My Computer and browse to C:\Windows\System32\spool\Printers (you will need to click "OK" to get access to the folder). Locate the Print Spooler service, and right-click > Properties > stop service. (i.e., if removing the printers listed in the printui is not successful.) Open a command line with administrative rights: Start->All Programs->Accessories->Command prompt Right click -> Run As Administrator.
Printui /s /t2, be sure to remove the driver AND the package. If that does not work for you, try using the printui.exe tool. Take a look at this tutorial which explains how to use the Microsoft Management Console (MMC), to remove unwanted printer driver packages.