Brenda 18, At the link below is a resolution to the error message you are getting adding a printer in Windows 7. Operation failed with error 0x0000007e when adding a printer Thank You, Dell-Jesse_L Dell Social Media and Communities

I have a Windows Vista Desktop that is sharing a HP printer. I am trying to add the shared printer to a Windows 7 laptop, but I get the following error message when I click on the printer to add it. 0x0000007e