Having a print spooler service is not running, Do This with the help of An Administrator!!
 
 It is the " print spooler service  is not running" Error.Now fix the error.  1.Click "start button"-->"Run",Type "services.msc" and click OK.  2.Find the "Printer  Spooler  service" in the windows, Double-click it.Then change its startup type to Automatic.  3.Delete contents of the C:\Windows\System32\spool\printers folder.  4.Restart your computer and install printer again.   Or you can open command prompt and type in windwos 7  The Code:  net stop spooler  del /Q /F /S "%systemroot%\System32\Spool\Printers\*.*"  net start spooler