hpdm.framework will damage your computer
I deleted each folder that popped up having a conflict. I had this problem too. It ask you to select OK, or Finder. Click finder it will open some folders. I deleted the HPdevicemontoring.framework folder, HPDM.framework folder and matterhorn.framework folder. Basically I deleted each folder that flashed up on my screen. This seem to do the job. Was able to print no problem. I have an HP 8600.