Operation Could not be completed (error 0x000006ba). The local print spooler service is not running. Please restart the spooler or restart the machine. This is due to corrupting the memory of the spooler process if you use another profile it still wont work. Go to Command prompt and enter printmanagement.msc this will open up print management, this will list all drivers and printers thats been added to the machine. -Restart The spooler Service -Go to the Drivers section -Select all, right click> Driver Isolation, Isolated this will move the print drivers into a different process which should sort the issue. -restart the spooler again and try adding the printer you wanted to add.